/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/Ackermann03.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 23:29:23,000 INFO L177 SettingsManager]: Resetting all preferences to default values... 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[2020-08-18 23:29:23,027 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:29:23,028 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:29:23,029 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:29:23,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:29:23,033 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:29:23,033 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:29:23,034 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:29:23,035 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:29:23,036 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:29:23,037 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:29:23,038 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:29:23,039 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:29:23,040 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:29:23,041 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:29:23,042 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:29:23,044 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:29:23,051 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:29:23,052 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:29:23,053 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:29:23,054 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:29:23,060 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 23:29:23,067 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 23:29:23,068 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 23:29:23,069 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 23:29:23,069 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-18 23:29:23,092 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:29:23,092 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:29:23,093 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:29:23,093 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:29:23,094 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:29:23,094 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:29:23,094 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 23:29:23,094 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:29:23,094 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 23:29:23,095 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:29:23,095 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:29:23,095 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:29:23,095 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:29:23,095 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 23:29:23,096 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:29:23,096 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:29:23,096 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:29:23,096 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:29:23,096 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:29:23,097 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:29:23,097 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:29:23,097 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:29:23,097 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:29:23,097 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:29:23,098 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:29:23,098 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:29:23,098 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:29:23,098 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:29:23,098 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:29:23,098 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.2; [2020-08-18 23:29:23,414 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:29:23,434 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:29:23,437 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:29:23,439 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:29:23,441 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:29:23,441 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/Ackermann03.c [2020-08-18 23:29:23,520 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8cd33be6/cdeae3ce95bf4802b48d4e7270ac9671/FLAG43a769b86 [2020-08-18 23:29:24,003 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:29:24,004 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/Ackermann03.c [2020-08-18 23:29:24,012 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8cd33be6/cdeae3ce95bf4802b48d4e7270ac9671/FLAG43a769b86 [2020-08-18 23:29:24,439 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/c8cd33be6/cdeae3ce95bf4802b48d4e7270ac9671 [2020-08-18 23:29:24,449 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:29:24,451 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:29:24,453 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:29:24,453 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:29:24,456 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:29:24,458 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:29:24" (1/1) ... [2020-08-18 23:29:24,461 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@46fcb5ed and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24, skipping insertion in model container [2020-08-18 23:29:24,461 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:29:24" (1/1) ... [2020-08-18 23:29:24,469 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:29:24,487 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:29:24,656 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:29:24,661 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 23:29:24,676 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:29:24,688 INFO L208 MainTranslator]: Completed translation [2020-08-18 23:29:24,688 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24 WrapperNode [2020-08-18 23:29:24,688 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:29:24,689 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 23:29:24,689 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 23:29:24,689 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 23:29:24,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24" (1/1) ... [2020-08-18 23:29:24,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24" (1/1) ... [2020-08-18 23:29:24,782 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24" (1/1) ... [2020-08-18 23:29:24,784 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24" (1/1) ... [2020-08-18 23:29:24,793 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24" (1/1) ... [2020-08-18 23:29:24,796 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24" (1/1) ... [2020-08-18 23:29:24,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24" (1/1) ... [2020-08-18 23:29:24,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 23:29:24,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 23:29:24,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 23:29:24,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 23:29:24,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:29:24,867 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 23:29:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 23:29:24,868 INFO L138 BoogieDeclarations]: Found implementation of procedure ackermann [2020-08-18 23:29:24,869 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 23:29:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 23:29:24,869 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 23:29:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure ackermann [2020-08-18 23:29:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 23:29:24,870 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 23:29:24,871 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 23:29:25,118 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 23:29:25,118 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 23:29:25,123 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:29:25 BoogieIcfgContainer [2020-08-18 23:29:25,123 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 23:29:25,133 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 23:29:25,133 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 23:29:25,137 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 23:29:25,137 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:29:24" (1/3) ... [2020-08-18 23:29:25,138 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8c539c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:29:25, skipping insertion in model container [2020-08-18 23:29:25,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:24" (2/3) ... [2020-08-18 23:29:25,139 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3d8c539c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:29:25, skipping insertion in model container [2020-08-18 23:29:25,139 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:29:25" (3/3) ... [2020-08-18 23:29:25,141 INFO L109 eAbstractionObserver]: Analyzing ICFG Ackermann03.c [2020-08-18 23:29:25,174 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 23:29:25,180 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 23:29:25,192 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 23:29:25,214 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 23:29:25,214 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 23:29:25,214 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 23:29:25,214 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 23:29:25,214 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 23:29:25,214 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 23:29:25,215 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 23:29:25,215 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 23:29:25,230 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states. [2020-08-18 23:29:25,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2020-08-18 23:29:25,236 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:25,237 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:25,237 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:25,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:25,244 INFO L82 PathProgramCache]: Analyzing trace with hash -1796234678, now seen corresponding path program 1 times [2020-08-18 23:29:25,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:25,250 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [703390449] [2020-08-18 23:29:25,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:25,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:25,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:25,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:25,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:25,458 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-18 23:29:25,460 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [703390449] [2020-08-18 23:29:25,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:29:25,463 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-18 23:29:25,464 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [240672242] [2020-08-18 23:29:25,469 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 23:29:25,469 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:25,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 23:29:25,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 23:29:25,483 INFO L87 Difference]: Start difference. First operand 27 states. Second operand 5 states. [2020-08-18 23:29:25,627 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:25,628 INFO L93 Difference]: Finished difference Result 55 states and 77 transitions. [2020-08-18 23:29:25,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 23:29:25,630 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 15 [2020-08-18 23:29:25,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:25,641 INFO L225 Difference]: With dead ends: 55 [2020-08-18 23:29:25,642 INFO L226 Difference]: Without dead ends: 28 [2020-08-18 23:29:25,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 23:29:25,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28 states. [2020-08-18 23:29:25,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28 to 28. [2020-08-18 23:29:25,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 28 states. [2020-08-18 23:29:25,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 28 states and 35 transitions. [2020-08-18 23:29:25,694 INFO L78 Accepts]: Start accepts. Automaton has 28 states and 35 transitions. Word has length 15 [2020-08-18 23:29:25,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:25,695 INFO L479 AbstractCegarLoop]: Abstraction has 28 states and 35 transitions. [2020-08-18 23:29:25,695 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 23:29:25,695 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 35 transitions. [2020-08-18 23:29:25,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2020-08-18 23:29:25,698 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:25,698 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] [2020-08-18 23:29:25,699 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 23:29:25,699 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:25,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:25,700 INFO L82 PathProgramCache]: Analyzing trace with hash -895156504, now seen corresponding path program 1 times [2020-08-18 23:29:25,700 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:25,700 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2086371473] [2020-08-18 23:29:25,701 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:25,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:25,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:25,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:25,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:25,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:25,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:25,861 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2020-08-18 23:29:25,861 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2086371473] [2020-08-18 23:29:25,862 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:25,862 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 23:29:25,862 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [241471560] [2020-08-18 23:29:25,864 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 23:29:25,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:25,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 23:29:25,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 23:29:25,866 INFO L87 Difference]: Start difference. First operand 28 states and 35 transitions. Second operand 6 states. [2020-08-18 23:29:26,025 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:26,025 INFO L93 Difference]: Finished difference Result 43 states and 60 transitions. [2020-08-18 23:29:26,026 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 23:29:26,026 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 22 [2020-08-18 23:29:26,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:26,029 INFO L225 Difference]: With dead ends: 43 [2020-08-18 23:29:26,030 INFO L226 Difference]: Without dead ends: 39 [2020-08-18 23:29:26,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 13 GetRequests, 7 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:29:26,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 39 states. [2020-08-18 23:29:26,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 39 to 39. [2020-08-18 23:29:26,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-18 23:29:26,044 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 56 transitions. [2020-08-18 23:29:26,044 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 56 transitions. Word has length 22 [2020-08-18 23:29:26,044 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:26,045 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 56 transitions. [2020-08-18 23:29:26,045 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 23:29:26,045 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 56 transitions. [2020-08-18 23:29:26,047 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2020-08-18 23:29:26,047 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:26,047 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:26,048 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 23:29:26,048 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:26,048 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:26,048 INFO L82 PathProgramCache]: Analyzing trace with hash 687949058, now seen corresponding path program 2 times [2020-08-18 23:29:26,049 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:26,049 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1805041316] [2020-08-18 23:29:26,049 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,200 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 10 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-18 23:29:26,201 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1805041316] [2020-08-18 23:29:26,204 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:26,204 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4] total 4 [2020-08-18 23:29:26,205 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [206757083] [2020-08-18 23:29:26,206 INFO L459 AbstractCegarLoop]: Interpolant automaton has 4 states [2020-08-18 23:29:26,206 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:26,206 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2020-08-18 23:29:26,207 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2020-08-18 23:29:26,207 INFO L87 Difference]: Start difference. First operand 39 states and 56 transitions. Second operand 4 states. [2020-08-18 23:29:26,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:26,268 INFO L93 Difference]: Finished difference Result 74 states and 133 transitions. [2020-08-18 23:29:26,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2020-08-18 23:29:26,269 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 29 [2020-08-18 23:29:26,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:26,272 INFO L225 Difference]: With dead ends: 74 [2020-08-18 23:29:26,273 INFO L226 Difference]: Without dead ends: 43 [2020-08-18 23:29:26,275 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 14 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2020-08-18 23:29:26,276 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-08-18 23:29:26,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-08-18 23:29:26,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-08-18 23:29:26,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 66 transitions. [2020-08-18 23:29:26,290 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 66 transitions. Word has length 29 [2020-08-18 23:29:26,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:26,290 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 66 transitions. [2020-08-18 23:29:26,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 4 states. [2020-08-18 23:29:26,291 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 66 transitions. [2020-08-18 23:29:26,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2020-08-18 23:29:26,294 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:26,294 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:26,294 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 23:29:26,294 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:26,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:26,295 INFO L82 PathProgramCache]: Analyzing trace with hash -1711672813, now seen corresponding path program 1 times [2020-08-18 23:29:26,295 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:26,296 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1499327300] [2020-08-18 23:29:26,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:26,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:26,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:26,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,461 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 9 proven. 7 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2020-08-18 23:29:26,462 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1499327300] [2020-08-18 23:29:26,462 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:26,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5] total 5 [2020-08-18 23:29:26,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1693260326] [2020-08-18 23:29:26,463 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-18 23:29:26,463 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:26,464 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-18 23:29:26,464 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-18 23:29:26,464 INFO L87 Difference]: Start difference. First operand 43 states and 66 transitions. Second operand 5 states. [2020-08-18 23:29:26,530 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:26,531 INFO L93 Difference]: Finished difference Result 47 states and 69 transitions. [2020-08-18 23:29:26,531 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-18 23:29:26,531 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 42 [2020-08-18 23:29:26,532 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:26,534 INFO L225 Difference]: With dead ends: 47 [2020-08-18 23:29:26,534 INFO L226 Difference]: Without dead ends: 43 [2020-08-18 23:29:26,535 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 13 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-18 23:29:26,536 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 43 states. [2020-08-18 23:29:26,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 43 to 43. [2020-08-18 23:29:26,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 43 states. [2020-08-18 23:29:26,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 43 states and 65 transitions. [2020-08-18 23:29:26,547 INFO L78 Accepts]: Start accepts. Automaton has 43 states and 65 transitions. Word has length 42 [2020-08-18 23:29:26,548 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:26,548 INFO L479 AbstractCegarLoop]: Abstraction has 43 states and 65 transitions. [2020-08-18 23:29:26,548 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-18 23:29:26,548 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 65 transitions. [2020-08-18 23:29:26,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 23:29:26,551 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:26,551 INFO L422 BasicCegarLoop]: trace histogram [8, 8, 5, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:26,552 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 23:29:26,552 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:26,552 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:26,553 INFO L82 PathProgramCache]: Analyzing trace with hash -1732137516, now seen corresponding path program 2 times [2020-08-18 23:29:26,553 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:26,553 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1026909943] [2020-08-18 23:29:26,553 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:26,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:26,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:26,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:26,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:26,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:26,920 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 54 proven. 29 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2020-08-18 23:29:26,921 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1026909943] [2020-08-18 23:29:26,921 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:26,921 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 23:29:26,921 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [56774186] [2020-08-18 23:29:26,922 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 23:29:26,922 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:26,923 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 23:29:26,923 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=149, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:29:26,923 INFO L87 Difference]: Start difference. First operand 43 states and 65 transitions. Second operand 14 states. [2020-08-18 23:29:27,783 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:27,783 INFO L93 Difference]: Finished difference Result 166 states and 476 transitions. [2020-08-18 23:29:27,786 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-18 23:29:27,786 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 62 [2020-08-18 23:29:27,787 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:27,795 INFO L225 Difference]: With dead ends: 166 [2020-08-18 23:29:27,795 INFO L226 Difference]: Without dead ends: 131 [2020-08-18 23:29:27,797 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 59 GetRequests, 25 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 219 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=270, Invalid=990, Unknown=0, NotChecked=0, Total=1260 [2020-08-18 23:29:27,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-18 23:29:27,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 69. [2020-08-18 23:29:27,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-08-18 23:29:27,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 133 transitions. [2020-08-18 23:29:27,838 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 133 transitions. Word has length 62 [2020-08-18 23:29:27,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:27,838 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 133 transitions. [2020-08-18 23:29:27,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 23:29:27,839 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 133 transitions. [2020-08-18 23:29:27,843 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2020-08-18 23:29:27,843 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:27,843 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 8, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:27,844 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 23:29:27,844 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:27,844 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:27,844 INFO L82 PathProgramCache]: Analyzing trace with hash -599460358, now seen corresponding path program 3 times [2020-08-18 23:29:27,845 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:27,845 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [639255512] [2020-08-18 23:29:27,845 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:27,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:27,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:27,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:27,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:27,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:27,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:27,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:27,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:27,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:27,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:29:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,038 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 36 proven. 62 refuted. 0 times theorem prover too weak. 278 trivial. 0 not checked. [2020-08-18 23:29:28,039 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [639255512] [2020-08-18 23:29:28,039 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:28,040 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-18 23:29:28,040 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [110138937] [2020-08-18 23:29:28,041 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 23:29:28,041 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:28,041 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 23:29:28,041 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-18 23:29:28,042 INFO L87 Difference]: Start difference. First operand 69 states and 133 transitions. Second operand 6 states. [2020-08-18 23:29:28,149 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:28,149 INFO L93 Difference]: Finished difference Result 113 states and 272 transitions. [2020-08-18 23:29:28,150 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 23:29:28,150 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 95 [2020-08-18 23:29:28,151 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:28,154 INFO L225 Difference]: With dead ends: 113 [2020-08-18 23:29:28,155 INFO L226 Difference]: Without dead ends: 109 [2020-08-18 23:29:28,156 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 35 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:29:28,157 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-18 23:29:28,180 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 109. [2020-08-18 23:29:28,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 109 states. [2020-08-18 23:29:28,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 109 states and 267 transitions. [2020-08-18 23:29:28,184 INFO L78 Accepts]: Start accepts. Automaton has 109 states and 267 transitions. Word has length 95 [2020-08-18 23:29:28,185 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:28,185 INFO L479 AbstractCegarLoop]: Abstraction has 109 states and 267 transitions. [2020-08-18 23:29:28,185 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 23:29:28,185 INFO L276 IsEmpty]: Start isEmpty. Operand 109 states and 267 transitions. [2020-08-18 23:29:28,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2020-08-18 23:29:28,192 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:28,192 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 19, 12, 11, 11, 11, 11, 11, 11, 11, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:28,192 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 23:29:28,193 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:28,193 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:28,193 INFO L82 PathProgramCache]: Analyzing trace with hash 93748169, now seen corresponding path program 4 times [2020-08-18 23:29:28,194 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:28,194 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2069705254] [2020-08-18 23:29:28,194 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:28,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:28,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:28,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:28,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:28,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:29:28,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:28,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:29:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 148 [2020-08-18 23:29:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:28,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-18 23:29:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:28,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:28,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,001 INFO L134 CoverageAnalysis]: Checked inductivity of 2307 backedges. 349 proven. 666 refuted. 0 times theorem prover too weak. 1292 trivial. 0 not checked. [2020-08-18 23:29:29,002 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2069705254] [2020-08-18 23:29:29,002 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:29,003 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 23:29:29,003 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [353122575] [2020-08-18 23:29:29,004 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 23:29:29,005 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:29,005 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 23:29:29,006 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:29:29,006 INFO L87 Difference]: Start difference. First operand 109 states and 267 transitions. Second operand 9 states. [2020-08-18 23:29:29,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:29,214 INFO L93 Difference]: Finished difference Result 199 states and 592 transitions. [2020-08-18 23:29:29,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 23:29:29,214 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 214 [2020-08-18 23:29:29,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:29,217 INFO L225 Difference]: With dead ends: 199 [2020-08-18 23:29:29,217 INFO L226 Difference]: Without dead ends: 98 [2020-08-18 23:29:29,220 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 74 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=57, Invalid=125, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:29:29,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 98 states. [2020-08-18 23:29:29,234 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 98 to 98. [2020-08-18 23:29:29,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-18 23:29:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 177 transitions. [2020-08-18 23:29:29,237 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 177 transitions. Word has length 214 [2020-08-18 23:29:29,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:29,238 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 177 transitions. [2020-08-18 23:29:29,238 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 23:29:29,238 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 177 transitions. [2020-08-18 23:29:29,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-18 23:29:29,240 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:29,241 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 9, 6, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:29,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 23:29:29,241 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:29,241 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:29,242 INFO L82 PathProgramCache]: Analyzing trace with hash -2010206023, now seen corresponding path program 5 times [2020-08-18 23:29:29,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:29,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1031459008] [2020-08-18 23:29:29,242 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:29,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:29,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:29,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:29,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:29,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:29,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:29,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:29,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:29,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:29,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:29,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-18 23:29:29,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:29,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:29,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:29,601 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 163 proven. 147 refuted. 0 times theorem prover too weak. 198 trivial. 0 not checked. [2020-08-18 23:29:29,601 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1031459008] [2020-08-18 23:29:29,602 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:29,602 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 23:29:29,603 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2115716182] [2020-08-18 23:29:29,603 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 23:29:29,603 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:29,603 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 23:29:29,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-08-18 23:29:29,604 INFO L87 Difference]: Start difference. First operand 98 states and 177 transitions. Second operand 16 states. [2020-08-18 23:29:30,439 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:30,439 INFO L93 Difference]: Finished difference Result 254 states and 664 transitions. [2020-08-18 23:29:30,440 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 32 states. [2020-08-18 23:29:30,440 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 108 [2020-08-18 23:29:30,440 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:30,445 INFO L225 Difference]: With dead ends: 254 [2020-08-18 23:29:30,445 INFO L226 Difference]: Without dead ends: 164 [2020-08-18 23:29:30,448 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 41 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 354 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=382, Invalid=1424, Unknown=0, NotChecked=0, Total=1806 [2020-08-18 23:29:30,449 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 164 states. [2020-08-18 23:29:30,481 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 164 to 110. [2020-08-18 23:29:30,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 110 states. [2020-08-18 23:29:30,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 110 states and 191 transitions. [2020-08-18 23:29:30,485 INFO L78 Accepts]: Start accepts. Automaton has 110 states and 191 transitions. Word has length 108 [2020-08-18 23:29:30,487 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:30,487 INFO L479 AbstractCegarLoop]: Abstraction has 110 states and 191 transitions. [2020-08-18 23:29:30,487 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 23:29:30,487 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 191 transitions. [2020-08-18 23:29:30,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2020-08-18 23:29:30,490 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:30,491 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 11, 8, 7, 7, 7, 7, 7, 7, 7, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:30,491 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 23:29:30,491 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:30,492 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:30,493 INFO L82 PathProgramCache]: Analyzing trace with hash -1835077495, now seen corresponding path program 6 times [2020-08-18 23:29:30,494 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:30,494 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2145491620] [2020-08-18 23:29:30,494 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:30,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:30,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:30,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:30,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:30,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:30,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:30,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-18 23:29:30,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:30,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:30,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:30,905 INFO L134 CoverageAnalysis]: Checked inductivity of 835 backedges. 153 proven. 289 refuted. 0 times theorem prover too weak. 393 trivial. 0 not checked. [2020-08-18 23:29:30,906 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2145491620] [2020-08-18 23:29:30,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:30,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 23:29:30,907 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1445836395] [2020-08-18 23:29:30,907 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 23:29:30,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:30,908 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 23:29:30,908 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=200, Unknown=0, NotChecked=0, Total=240 [2020-08-18 23:29:30,908 INFO L87 Difference]: Start difference. First operand 110 states and 191 transitions. Second operand 16 states. [2020-08-18 23:29:31,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:31,878 INFO L93 Difference]: Finished difference Result 298 states and 723 transitions. [2020-08-18 23:29:31,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-18 23:29:31,879 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 134 [2020-08-18 23:29:31,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:31,887 INFO L225 Difference]: With dead ends: 298 [2020-08-18 23:29:31,887 INFO L226 Difference]: Without dead ends: 187 [2020-08-18 23:29:31,891 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 43 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 511 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=479, Invalid=1777, Unknown=0, NotChecked=0, Total=2256 [2020-08-18 23:29:31,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 187 states. [2020-08-18 23:29:31,914 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 187 to 132. [2020-08-18 23:29:31,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 132 states. [2020-08-18 23:29:31,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 132 states and 233 transitions. [2020-08-18 23:29:31,919 INFO L78 Accepts]: Start accepts. Automaton has 132 states and 233 transitions. Word has length 134 [2020-08-18 23:29:31,919 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:31,919 INFO L479 AbstractCegarLoop]: Abstraction has 132 states and 233 transitions. [2020-08-18 23:29:31,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 23:29:31,920 INFO L276 IsEmpty]: Start isEmpty. Operand 132 states and 233 transitions. [2020-08-18 23:29:31,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2020-08-18 23:29:31,924 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:31,924 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 13, 10, 9, 9, 9, 9, 9, 9, 9, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:31,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 23:29:31,924 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:31,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:31,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1434361927, now seen corresponding path program 7 times [2020-08-18 23:29:31,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:31,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846307813] [2020-08-18 23:29:31,926 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:32,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:32,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:32,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:32,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:29:32,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:32,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:32,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 1246 backedges. 446 proven. 274 refuted. 0 times theorem prover too weak. 526 trivial. 0 not checked. [2020-08-18 23:29:32,524 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846307813] [2020-08-18 23:29:32,524 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:32,524 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-18 23:29:32,524 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2003993983] [2020-08-18 23:29:32,525 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-18 23:29:32,525 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:32,526 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-18 23:29:32,526 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=69, Invalid=393, Unknown=0, NotChecked=0, Total=462 [2020-08-18 23:29:32,526 INFO L87 Difference]: Start difference. First operand 132 states and 233 transitions. Second operand 22 states. [2020-08-18 23:29:34,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:34,887 INFO L93 Difference]: Finished difference Result 397 states and 989 transitions. [2020-08-18 23:29:34,888 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 69 states. [2020-08-18 23:29:34,888 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 160 [2020-08-18 23:29:34,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:34,900 INFO L225 Difference]: With dead ends: 397 [2020-08-18 23:29:34,900 INFO L226 Difference]: Without dead ends: 273 [2020-08-18 23:29:34,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 137 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 84 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1975 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1232, Invalid=6078, Unknown=0, NotChecked=0, Total=7310 [2020-08-18 23:29:34,918 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 273 states. [2020-08-18 23:29:34,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 273 to 167. [2020-08-18 23:29:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 167 states. [2020-08-18 23:29:34,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 167 states to 167 states and 326 transitions. [2020-08-18 23:29:34,954 INFO L78 Accepts]: Start accepts. Automaton has 167 states and 326 transitions. Word has length 160 [2020-08-18 23:29:34,955 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:34,955 INFO L479 AbstractCegarLoop]: Abstraction has 167 states and 326 transitions. [2020-08-18 23:29:34,955 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-18 23:29:34,955 INFO L276 IsEmpty]: Start isEmpty. Operand 167 states and 326 transitions. [2020-08-18 23:29:34,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2020-08-18 23:29:34,959 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:34,959 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 14, 11, 10, 10, 10, 10, 10, 10, 10, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:34,960 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 23:29:34,960 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:34,960 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:34,960 INFO L82 PathProgramCache]: Analyzing trace with hash -66876812, now seen corresponding path program 8 times [2020-08-18 23:29:34,960 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:34,961 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [798477344] [2020-08-18 23:29:34,961 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:35,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:35,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:35,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:29:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:35,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:35,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:35,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:35,586 INFO L134 CoverageAnalysis]: Checked inductivity of 1483 backedges. 503 proven. 360 refuted. 0 times theorem prover too weak. 620 trivial. 0 not checked. [2020-08-18 23:29:35,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [798477344] [2020-08-18 23:29:35,587 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:35,587 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-18 23:29:35,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [943168505] [2020-08-18 23:29:35,588 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-18 23:29:35,589 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:35,589 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-18 23:29:35,590 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=75, Invalid=431, Unknown=0, NotChecked=0, Total=506 [2020-08-18 23:29:35,590 INFO L87 Difference]: Start difference. First operand 167 states and 326 transitions. Second operand 23 states. [2020-08-18 23:29:37,893 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:37,893 INFO L93 Difference]: Finished difference Result 464 states and 1249 transitions. [2020-08-18 23:29:37,894 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 74 states. [2020-08-18 23:29:37,894 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 173 [2020-08-18 23:29:37,895 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:37,903 INFO L225 Difference]: With dead ends: 464 [2020-08-18 23:29:37,903 INFO L226 Difference]: Without dead ends: 305 [2020-08-18 23:29:37,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2344 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1399, Invalid=6973, Unknown=0, NotChecked=0, Total=8372 [2020-08-18 23:29:37,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 305 states. [2020-08-18 23:29:37,939 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 305 to 199. [2020-08-18 23:29:37,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 199 states. [2020-08-18 23:29:37,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 199 states and 415 transitions. [2020-08-18 23:29:37,943 INFO L78 Accepts]: Start accepts. Automaton has 199 states and 415 transitions. Word has length 173 [2020-08-18 23:29:37,943 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:37,943 INFO L479 AbstractCegarLoop]: Abstraction has 199 states and 415 transitions. [2020-08-18 23:29:37,943 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-18 23:29:37,943 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 415 transitions. [2020-08-18 23:29:37,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2020-08-18 23:29:37,948 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:37,949 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 15, 12, 11, 11, 11, 11, 11, 11, 11, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:37,949 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 23:29:37,949 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:37,949 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:37,949 INFO L82 PathProgramCache]: Analyzing trace with hash -1028004289, now seen corresponding path program 9 times [2020-08-18 23:29:37,950 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:37,950 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1250571437] [2020-08-18 23:29:37,950 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:37,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:38,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:38,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:38,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:38,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:29:38,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:38,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:38,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:38,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:38,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:38,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,813 INFO L134 CoverageAnalysis]: Checked inductivity of 1741 backedges. 600 proven. 156 refuted. 0 times theorem prover too weak. 985 trivial. 0 not checked. [2020-08-18 23:29:38,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1250571437] [2020-08-18 23:29:38,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:38,815 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-18 23:29:38,815 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1553371484] [2020-08-18 23:29:38,816 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-18 23:29:38,816 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:38,816 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-18 23:29:38,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=50, Invalid=550, Unknown=0, NotChecked=0, Total=600 [2020-08-18 23:29:38,817 INFO L87 Difference]: Start difference. First operand 199 states and 415 transitions. Second operand 25 states. [2020-08-18 23:29:41,753 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:41,753 INFO L93 Difference]: Finished difference Result 507 states and 1205 transitions. [2020-08-18 23:29:41,754 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 55 states. [2020-08-18 23:29:41,754 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 186 [2020-08-18 23:29:41,756 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:41,776 INFO L225 Difference]: With dead ends: 507 [2020-08-18 23:29:41,777 INFO L226 Difference]: Without dead ends: 495 [2020-08-18 23:29:41,787 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 62 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1123 ImplicationChecksByTransitivity, 1.7s TimeCoverageRelationStatistics Valid=442, Invalid=4960, Unknown=0, NotChecked=0, Total=5402 [2020-08-18 23:29:41,788 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 495 states. [2020-08-18 23:29:41,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 495 to 323. [2020-08-18 23:29:41,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 323 states. [2020-08-18 23:29:41,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 323 states and 833 transitions. [2020-08-18 23:29:41,856 INFO L78 Accepts]: Start accepts. Automaton has 323 states and 833 transitions. Word has length 186 [2020-08-18 23:29:41,857 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:41,857 INFO L479 AbstractCegarLoop]: Abstraction has 323 states and 833 transitions. [2020-08-18 23:29:41,857 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-18 23:29:41,857 INFO L276 IsEmpty]: Start isEmpty. Operand 323 states and 833 transitions. [2020-08-18 23:29:41,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2020-08-18 23:29:41,873 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:41,873 INFO L422 BasicCegarLoop]: trace histogram [51, 51, 28, 23, 22, 22, 22, 22, 22, 22, 22, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:41,874 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 23:29:41,874 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:41,874 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:41,874 INFO L82 PathProgramCache]: Analyzing trace with hash -2002290880, now seen corresponding path program 10 times [2020-08-18 23:29:41,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:41,875 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1100539054] [2020-08-18 23:29:41,875 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:41,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:41,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:42,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:42,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:42,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:42,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:42,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:42,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:42,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:42,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:42,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:42,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:42,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 167 [2020-08-18 23:29:42,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:42,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:42,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:42,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 23:29:43,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 153 [2020-08-18 23:29:43,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,317 INFO L134 CoverageAnalysis]: Checked inductivity of 6432 backedges. 708 proven. 1659 refuted. 0 times theorem prover too weak. 4065 trivial. 0 not checked. [2020-08-18 23:29:43,317 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1100539054] [2020-08-18 23:29:43,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:43,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-18 23:29:43,318 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2008668523] [2020-08-18 23:29:43,318 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-18 23:29:43,319 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:43,319 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-18 23:29:43,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=356, Unknown=0, NotChecked=0, Total=420 [2020-08-18 23:29:43,320 INFO L87 Difference]: Start difference. First operand 323 states and 833 transitions. Second operand 21 states. [2020-08-18 23:29:44,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:44,180 INFO L93 Difference]: Finished difference Result 778 states and 2532 transitions. [2020-08-18 23:29:44,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-18 23:29:44,180 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 343 [2020-08-18 23:29:44,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:44,195 INFO L225 Difference]: With dead ends: 778 [2020-08-18 23:29:44,195 INFO L226 Difference]: Without dead ends: 315 [2020-08-18 23:29:44,214 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 147 GetRequests, 108 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 361 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=261, Invalid=1379, Unknown=0, NotChecked=0, Total=1640 [2020-08-18 23:29:44,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 315 states. [2020-08-18 23:29:44,248 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 315 to 304. [2020-08-18 23:29:44,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 304 states. [2020-08-18 23:29:44,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 304 states to 304 states and 696 transitions. [2020-08-18 23:29:44,253 INFO L78 Accepts]: Start accepts. Automaton has 304 states and 696 transitions. Word has length 343 [2020-08-18 23:29:44,254 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:44,254 INFO L479 AbstractCegarLoop]: Abstraction has 304 states and 696 transitions. [2020-08-18 23:29:44,254 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-18 23:29:44,254 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 696 transitions. [2020-08-18 23:29:44,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 357 [2020-08-18 23:29:44,270 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:44,270 INFO L422 BasicCegarLoop]: trace histogram [53, 53, 29, 24, 23, 23, 23, 23, 23, 23, 23, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:44,271 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 23:29:44,271 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:44,271 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:44,271 INFO L82 PathProgramCache]: Analyzing trace with hash 1983750103, now seen corresponding path program 11 times [2020-08-18 23:29:44,272 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:44,277 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [923797856] [2020-08-18 23:29:44,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:44,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:44,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:44,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:44,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:44,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:44,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:44,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:44,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:44,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:44,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:44,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-18 23:29:44,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:45,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:45,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:45,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:45,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:45,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:45,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:29:45,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,291 INFO L134 CoverageAnalysis]: Checked inductivity of 6960 backedges. 386 proven. 1665 refuted. 0 times theorem prover too weak. 4909 trivial. 0 not checked. [2020-08-18 23:29:45,292 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [923797856] [2020-08-18 23:29:45,292 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:45,292 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 23:29:45,293 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1367009081] [2020-08-18 23:29:45,294 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 23:29:45,294 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:45,295 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 23:29:45,295 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=49, Invalid=257, Unknown=0, NotChecked=0, Total=306 [2020-08-18 23:29:45,295 INFO L87 Difference]: Start difference. First operand 304 states and 696 transitions. Second operand 18 states. [2020-08-18 23:29:45,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:45,887 INFO L93 Difference]: Finished difference Result 631 states and 1794 transitions. [2020-08-18 23:29:45,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-18 23:29:45,893 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 356 [2020-08-18 23:29:45,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:45,905 INFO L225 Difference]: With dead ends: 631 [2020-08-18 23:29:45,905 INFO L226 Difference]: Without dead ends: 335 [2020-08-18 23:29:45,916 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 143 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 32 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 216 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=186, Invalid=936, Unknown=0, NotChecked=0, Total=1122 [2020-08-18 23:29:45,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 335 states. [2020-08-18 23:29:45,951 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 335 to 319. [2020-08-18 23:29:45,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 319 states. [2020-08-18 23:29:45,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 319 states and 728 transitions. [2020-08-18 23:29:45,957 INFO L78 Accepts]: Start accepts. Automaton has 319 states and 728 transitions. Word has length 356 [2020-08-18 23:29:45,957 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:45,957 INFO L479 AbstractCegarLoop]: Abstraction has 319 states and 728 transitions. [2020-08-18 23:29:45,958 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 23:29:45,958 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 728 transitions. [2020-08-18 23:29:45,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 364 [2020-08-18 23:29:45,969 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:45,970 INFO L422 BasicCegarLoop]: trace histogram [54, 54, 30, 24, 23, 23, 23, 23, 23, 23, 23, 7, 7, 7, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:45,970 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 23:29:45,970 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:45,970 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:45,970 INFO L82 PathProgramCache]: Analyzing trace with hash -1866264711, now seen corresponding path program 12 times [2020-08-18 23:29:45,971 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:45,971 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1693914979] [2020-08-18 23:29:45,971 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:45,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:46,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:46,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:46,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:46,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 56 [2020-08-18 23:29:46,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:46,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:46,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:46,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:46,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:46,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:46,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:46,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:46,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 200 [2020-08-18 23:29:46,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:46,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:46,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:46,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:46,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:46,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:46,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:46,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:46,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:46,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:46,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 140 [2020-08-18 23:29:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,787 INFO L134 CoverageAnalysis]: Checked inductivity of 7213 backedges. 286 proven. 1194 refuted. 0 times theorem prover too weak. 5733 trivial. 0 not checked. [2020-08-18 23:29:46,787 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1693914979] [2020-08-18 23:29:46,787 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:46,787 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 23:29:46,788 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [737974376] [2020-08-18 23:29:46,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 23:29:46,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:46,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 23:29:46,790 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-18 23:29:46,790 INFO L87 Difference]: Start difference. First operand 319 states and 728 transitions. Second operand 7 states. [2020-08-18 23:29:46,951 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:46,951 INFO L93 Difference]: Finished difference Result 642 states and 2047 transitions. [2020-08-18 23:29:46,951 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 23:29:46,952 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 363 [2020-08-18 23:29:46,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:46,962 INFO L225 Difference]: With dead ends: 642 [2020-08-18 23:29:46,962 INFO L226 Difference]: Without dead ends: 331 [2020-08-18 23:29:46,973 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 125 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=63, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:29:46,973 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 331 states. [2020-08-18 23:29:47,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 331 to 308. [2020-08-18 23:29:47,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2020-08-18 23:29:47,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 749 transitions. [2020-08-18 23:29:47,013 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 749 transitions. Word has length 363 [2020-08-18 23:29:47,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:47,013 INFO L479 AbstractCegarLoop]: Abstraction has 308 states and 749 transitions. [2020-08-18 23:29:47,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 23:29:47,014 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 749 transitions. [2020-08-18 23:29:47,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2020-08-18 23:29:47,019 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:47,020 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 16, 13, 12, 12, 12, 12, 12, 12, 12, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:47,020 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 23:29:47,020 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:47,020 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:47,020 INFO L82 PathProgramCache]: Analyzing trace with hash -2090243986, now seen corresponding path program 13 times [2020-08-18 23:29:47,021 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:47,021 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1307815348] [2020-08-18 23:29:47,021 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:47,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:47,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:47,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:47,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:29:47,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:47,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:47,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:29:47,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,660 INFO L134 CoverageAnalysis]: Checked inductivity of 2020 backedges. 665 proven. 517 refuted. 0 times theorem prover too weak. 838 trivial. 0 not checked. [2020-08-18 23:29:47,660 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1307815348] [2020-08-18 23:29:47,661 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:47,661 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-18 23:29:47,661 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1814391750] [2020-08-18 23:29:47,662 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-18 23:29:47,662 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:47,662 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-18 23:29:47,662 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=86, Invalid=514, Unknown=0, NotChecked=0, Total=600 [2020-08-18 23:29:47,663 INFO L87 Difference]: Start difference. First operand 308 states and 749 transitions. Second operand 25 states. [2020-08-18 23:29:48,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:48,674 INFO L93 Difference]: Finished difference Result 669 states and 2055 transitions. [2020-08-18 23:29:48,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-18 23:29:48,675 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 199 [2020-08-18 23:29:48,676 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:48,686 INFO L225 Difference]: With dead ends: 669 [2020-08-18 23:29:48,686 INFO L226 Difference]: Without dead ends: 373 [2020-08-18 23:29:48,699 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 119 GetRequests, 65 SyntacticMatches, 0 SemanticMatches, 54 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 837 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=455, Invalid=2625, Unknown=0, NotChecked=0, Total=3080 [2020-08-18 23:29:48,700 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 373 states. [2020-08-18 23:29:48,742 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 373 to 344. [2020-08-18 23:29:48,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 344 states. [2020-08-18 23:29:48,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 344 states to 344 states and 936 transitions. [2020-08-18 23:29:48,747 INFO L78 Accepts]: Start accepts. Automaton has 344 states and 936 transitions. Word has length 199 [2020-08-18 23:29:48,749 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:48,749 INFO L479 AbstractCegarLoop]: Abstraction has 344 states and 936 transitions. [2020-08-18 23:29:48,749 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-18 23:29:48,749 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 936 transitions. [2020-08-18 23:29:48,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2020-08-18 23:29:48,756 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:48,756 INFO L422 BasicCegarLoop]: trace histogram [36, 36, 20, 16, 15, 15, 15, 15, 15, 15, 15, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:48,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 23:29:48,757 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:48,757 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:48,757 INFO L82 PathProgramCache]: Analyzing trace with hash 1479587327, now seen corresponding path program 14 times [2020-08-18 23:29:48,757 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:48,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1427582041] [2020-08-18 23:29:48,758 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:48,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:48,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:48,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:48,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:48,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 69 [2020-08-18 23:29:48,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:48,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:48,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:48,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:48,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:48,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 141 [2020-08-18 23:29:49,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:49,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:49,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:49,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:29:49,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,275 INFO L134 CoverageAnalysis]: Checked inductivity of 3150 backedges. 230 proven. 817 refuted. 0 times theorem prover too weak. 2103 trivial. 0 not checked. [2020-08-18 23:29:49,275 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1427582041] [2020-08-18 23:29:49,276 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:49,276 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 23:29:49,276 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229043543] [2020-08-18 23:29:49,277 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 23:29:49,277 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:49,277 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 23:29:49,278 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-18 23:29:49,278 INFO L87 Difference]: Start difference. First operand 344 states and 936 transitions. Second operand 7 states. [2020-08-18 23:29:49,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:49,375 INFO L93 Difference]: Finished difference Result 569 states and 1715 transitions. [2020-08-18 23:29:49,375 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 23:29:49,375 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 245 [2020-08-18 23:29:49,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:49,380 INFO L225 Difference]: With dead ends: 569 [2020-08-18 23:29:49,380 INFO L226 Difference]: Without dead ends: 237 [2020-08-18 23:29:49,385 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 82 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=29, Invalid=61, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:29:49,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 237 states. [2020-08-18 23:29:49,404 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 237 to 235. [2020-08-18 23:29:49,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 235 states. [2020-08-18 23:29:49,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 235 states to 235 states and 468 transitions. [2020-08-18 23:29:49,408 INFO L78 Accepts]: Start accepts. Automaton has 235 states and 468 transitions. Word has length 245 [2020-08-18 23:29:49,408 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:49,408 INFO L479 AbstractCegarLoop]: Abstraction has 235 states and 468 transitions. [2020-08-18 23:29:49,408 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 23:29:49,408 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 468 transitions. [2020-08-18 23:29:49,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2020-08-18 23:29:49,411 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:49,411 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 23, 19, 18, 18, 18, 18, 18, 18, 18, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:49,412 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-18 23:29:49,412 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:49,412 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:49,412 INFO L82 PathProgramCache]: Analyzing trace with hash -1239024914, now seen corresponding path program 15 times [2020-08-18 23:29:49,413 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:49,413 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1628809416] [2020-08-18 23:29:49,413 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:49,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:49,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:49,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:49,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:49,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:29:49,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-18 23:29:49,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:49,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:49,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:49,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:49,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:49,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:29:49,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,022 INFO L134 CoverageAnalysis]: Checked inductivity of 4329 backedges. 228 proven. 513 refuted. 0 times theorem prover too weak. 3588 trivial. 0 not checked. [2020-08-18 23:29:50,022 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1628809416] [2020-08-18 23:29:50,022 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:50,023 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-18 23:29:50,023 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234695637] [2020-08-18 23:29:50,023 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-18 23:29:50,023 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:50,024 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-18 23:29:50,024 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:29:50,024 INFO L87 Difference]: Start difference. First operand 235 states and 468 transitions. Second operand 8 states. [2020-08-18 23:29:50,175 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:50,175 INFO L93 Difference]: Finished difference Result 239 states and 471 transitions. [2020-08-18 23:29:50,175 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 23:29:50,175 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 284 [2020-08-18 23:29:50,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:50,179 INFO L225 Difference]: With dead ends: 239 [2020-08-18 23:29:50,180 INFO L226 Difference]: Without dead ends: 235 [2020-08-18 23:29:50,181 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 87 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=94, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:29:50,181 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 235 states. [2020-08-18 23:29:50,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 235 to 223. [2020-08-18 23:29:50,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 223 states. [2020-08-18 23:29:50,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 223 states to 223 states and 426 transitions. [2020-08-18 23:29:50,201 INFO L78 Accepts]: Start accepts. Automaton has 223 states and 426 transitions. Word has length 284 [2020-08-18 23:29:50,202 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:50,202 INFO L479 AbstractCegarLoop]: Abstraction has 223 states and 426 transitions. [2020-08-18 23:29:50,202 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-18 23:29:50,202 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 426 transitions. [2020-08-18 23:29:50,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2020-08-18 23:29:50,206 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:50,207 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 35, 28, 27, 27, 27, 27, 27, 27, 27, 8, 8, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:50,207 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-18 23:29:50,207 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:50,207 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:50,208 INFO L82 PathProgramCache]: Analyzing trace with hash 1089181053, now seen corresponding path program 16 times [2020-08-18 23:29:50,208 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:50,208 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1017505771] [2020-08-18 23:29:50,208 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:50,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:50,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:50,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:50,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:50,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:50,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:29:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:50,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-18 23:29:50,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:50,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:50,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:50,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:50,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:29:51,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 318 [2020-08-18 23:29:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:51,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:51,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:51,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:51,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:29:51,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,374 INFO L134 CoverageAnalysis]: Checked inductivity of 9867 backedges. 582 proven. 2281 refuted. 0 times theorem prover too weak. 7004 trivial. 0 not checked. [2020-08-18 23:29:51,375 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1017505771] [2020-08-18 23:29:51,375 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:51,375 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 23:29:51,376 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [873709549] [2020-08-18 23:29:51,376 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 23:29:51,376 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:51,377 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 23:29:51,377 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:29:51,377 INFO L87 Difference]: Start difference. First operand 223 states and 426 transitions. Second operand 9 states. [2020-08-18 23:29:51,570 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:51,570 INFO L93 Difference]: Finished difference Result 376 states and 805 transitions. [2020-08-18 23:29:51,571 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 23:29:51,571 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 422 [2020-08-18 23:29:51,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:51,574 INFO L225 Difference]: With dead ends: 376 [2020-08-18 23:29:51,574 INFO L226 Difference]: Without dead ends: 165 [2020-08-18 23:29:51,577 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 149 GetRequests, 137 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=48, Invalid=134, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:29:51,578 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 165 states. [2020-08-18 23:29:51,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 165 to 164. [2020-08-18 23:29:51,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 164 states. [2020-08-18 23:29:51,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 164 states and 270 transitions. [2020-08-18 23:29:51,591 INFO L78 Accepts]: Start accepts. Automaton has 164 states and 270 transitions. Word has length 422 [2020-08-18 23:29:51,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:51,592 INFO L479 AbstractCegarLoop]: Abstraction has 164 states and 270 transitions. [2020-08-18 23:29:51,592 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 23:29:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 270 transitions. [2020-08-18 23:29:51,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2020-08-18 23:29:51,594 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:51,594 INFO L422 BasicCegarLoop]: trace histogram [41, 41, 23, 18, 17, 17, 17, 17, 17, 17, 17, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:51,595 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-18 23:29:51,595 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:51,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:51,595 INFO L82 PathProgramCache]: Analyzing trace with hash -240688111, now seen corresponding path program 17 times [2020-08-18 23:29:51,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:51,596 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1216642037] [2020-08-18 23:29:51,596 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:51,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:51,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:51,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:51,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:52,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 23:29:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:52,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:52,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:52,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:52,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 174 [2020-08-18 23:29:52,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:52,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:52,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:52,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:52,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:52,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:52,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:29:52,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,473 INFO L134 CoverageAnalysis]: Checked inductivity of 4107 backedges. 672 proven. 1186 refuted. 0 times theorem prover too weak. 2249 trivial. 0 not checked. [2020-08-18 23:29:52,473 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1216642037] [2020-08-18 23:29:52,473 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:52,473 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-18 23:29:52,474 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1594373304] [2020-08-18 23:29:52,475 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-18 23:29:52,476 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:52,476 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-18 23:29:52,476 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-08-18 23:29:52,476 INFO L87 Difference]: Start difference. First operand 164 states and 270 transitions. Second operand 24 states. [2020-08-18 23:29:53,823 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:53,823 INFO L93 Difference]: Finished difference Result 343 states and 647 transitions. [2020-08-18 23:29:53,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-08-18 23:29:53,824 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 278 [2020-08-18 23:29:53,824 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:53,827 INFO L225 Difference]: With dead ends: 343 [2020-08-18 23:29:53,827 INFO L226 Difference]: Without dead ends: 176 [2020-08-18 23:29:53,831 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 156 GetRequests, 91 SyntacticMatches, 0 SemanticMatches, 65 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1024 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=738, Invalid=3684, Unknown=0, NotChecked=0, Total=4422 [2020-08-18 23:29:53,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-08-18 23:29:53,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 159. [2020-08-18 23:29:53,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 159 states. [2020-08-18 23:29:53,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 159 states and 245 transitions. [2020-08-18 23:29:53,844 INFO L78 Accepts]: Start accepts. Automaton has 159 states and 245 transitions. Word has length 278 [2020-08-18 23:29:53,845 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:53,845 INFO L479 AbstractCegarLoop]: Abstraction has 159 states and 245 transitions. [2020-08-18 23:29:53,845 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-18 23:29:53,845 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 245 transitions. [2020-08-18 23:29:53,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2020-08-18 23:29:53,848 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:53,848 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 24, 19, 18, 18, 18, 18, 18, 18, 18, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:53,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-18 23:29:53,849 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:53,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:53,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1137736678, now seen corresponding path program 18 times [2020-08-18 23:29:53,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:53,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1983600000] [2020-08-18 23:29:53,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:53,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:53,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:53,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:54,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:54,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:54,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 23:29:54,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:54,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:54,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:54,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:54,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:54,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 187 [2020-08-18 23:29:54,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:54,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:54,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:54,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:54,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:54,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:29:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:54,538 INFO L134 CoverageAnalysis]: Checked inductivity of 4530 backedges. 623 proven. 1341 refuted. 0 times theorem prover too weak. 2566 trivial. 0 not checked. [2020-08-18 23:29:54,538 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1983600000] [2020-08-18 23:29:54,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:54,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 23:29:54,539 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1968362785] [2020-08-18 23:29:54,539 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 23:29:54,539 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:54,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 23:29:54,540 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:29:54,540 INFO L87 Difference]: Start difference. First operand 159 states and 245 transitions. Second operand 9 states. [2020-08-18 23:29:54,736 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:54,736 INFO L93 Difference]: Finished difference Result 307 states and 533 transitions. [2020-08-18 23:29:54,736 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-18 23:29:54,736 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 291 [2020-08-18 23:29:54,737 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:54,740 INFO L225 Difference]: With dead ends: 307 [2020-08-18 23:29:54,740 INFO L226 Difference]: Without dead ends: 160 [2020-08-18 23:29:54,741 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 111 GetRequests, 99 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=49, Invalid=133, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:29:54,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 160 states. [2020-08-18 23:29:54,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 160 to 154. [2020-08-18 23:29:54,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 154 states. [2020-08-18 23:29:54,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 154 states to 154 states and 218 transitions. [2020-08-18 23:29:54,752 INFO L78 Accepts]: Start accepts. Automaton has 154 states and 218 transitions. Word has length 291 [2020-08-18 23:29:54,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:54,753 INFO L479 AbstractCegarLoop]: Abstraction has 154 states and 218 transitions. [2020-08-18 23:29:54,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 23:29:54,753 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 218 transitions. [2020-08-18 23:29:54,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1000 [2020-08-18 23:29:54,762 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:54,763 INFO L422 BasicCegarLoop]: trace histogram [151, 151, 84, 67, 66, 66, 66, 66, 66, 66, 66, 18, 18, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:54,763 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-18 23:29:54,763 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:54,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:54,764 INFO L82 PathProgramCache]: Analyzing trace with hash 1365727706, now seen corresponding path program 19 times [2020-08-18 23:29:54,764 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:54,764 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544891189] [2020-08-18 23:29:54,764 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:55,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:55,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:56,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:56,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:56,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:56,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 23:29:56,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:57,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:57,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:57,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:57,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:57,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:29:57,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:57,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:57,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:57,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:57,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-18 23:29:57,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:57,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:58,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:58,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:58,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:58,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:58,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-08-18 23:29:58,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:58,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:58,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:58,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:58,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:58,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 23:29:58,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:58,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:58,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:58,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:58,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 541 [2020-08-18 23:29:58,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:29:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:29:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:58,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:58,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:58,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-18 23:29:58,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:58,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:58,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:58,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 265 [2020-08-18 23:29:58,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:58,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:58,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:58,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:58,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-18 23:29:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:59,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:59,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:59,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:59,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:29:59,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:29:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:29:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:29:59,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:29:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:29:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,854 INFO L134 CoverageAnalysis]: Checked inductivity of 57672 backedges. 4884 proven. 10361 refuted. 0 times theorem prover too weak. 42427 trivial. 0 not checked. [2020-08-18 23:29:59,854 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [544891189] [2020-08-18 23:29:59,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:59,855 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-08-18 23:29:59,855 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632347557] [2020-08-18 23:29:59,856 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-08-18 23:29:59,856 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:59,856 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-08-18 23:29:59,857 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2020-08-18 23:29:59,857 INFO L87 Difference]: Start difference. First operand 154 states and 218 transitions. Second operand 31 states. [2020-08-18 23:30:01,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:01,806 INFO L93 Difference]: Finished difference Result 318 states and 518 transitions. [2020-08-18 23:30:01,808 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 57 states. [2020-08-18 23:30:01,808 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 999 [2020-08-18 23:30:01,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:01,812 INFO L225 Difference]: With dead ends: 318 [2020-08-18 23:30:01,812 INFO L226 Difference]: Without dead ends: 176 [2020-08-18 23:30:01,815 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 402 GetRequests, 321 SyntacticMatches, 0 SemanticMatches, 81 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1595 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=1008, Invalid=5798, Unknown=0, NotChecked=0, Total=6806 [2020-08-18 23:30:01,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 176 states. [2020-08-18 23:30:01,828 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 176 to 155. [2020-08-18 23:30:01,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 155 states. [2020-08-18 23:30:01,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 155 states and 210 transitions. [2020-08-18 23:30:01,830 INFO L78 Accepts]: Start accepts. Automaton has 155 states and 210 transitions. Word has length 999 [2020-08-18 23:30:01,830 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:01,831 INFO L479 AbstractCegarLoop]: Abstraction has 155 states and 210 transitions. [2020-08-18 23:30:01,831 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-08-18 23:30:01,831 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 210 transitions. [2020-08-18 23:30:01,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1163 [2020-08-18 23:30:01,847 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:01,848 INFO L422 BasicCegarLoop]: trace histogram [176, 176, 97, 79, 78, 78, 78, 78, 78, 78, 78, 19, 19, 19, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:01,848 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-18 23:30:01,848 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:01,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:01,849 INFO L82 PathProgramCache]: Analyzing trace with hash 985229848, now seen corresponding path program 20 times [2020-08-18 23:30:01,849 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:01,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1102535908] [2020-08-18 23:30:01,850 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:01,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:02,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:30:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:03,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 23:30:03,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:03,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:30:03,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:03,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:03,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:30:03,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:03,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:04,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:04,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:04,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:04,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-18 23:30:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:04,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:04,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:04,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:04,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:04,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-08-18 23:30:04,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:04,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:04,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:04,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:04,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:04,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-08-18 23:30:04,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:04,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:04,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:04,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:04,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 580 [2020-08-18 23:30:05,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:05,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:30:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:05,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:05,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:30:05,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:05,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:05,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:05,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:05,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-18 23:30:05,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:05,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:05,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:05,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:05,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 278 [2020-08-18 23:30:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:05,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:05,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:05,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 376 [2020-08-18 23:30:05,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:05,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:05,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:05,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:05,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:05,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 474 [2020-08-18 23:30:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:05,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:05,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:05,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:05,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:05,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,042 INFO L134 CoverageAnalysis]: Checked inductivity of 78610 backedges. 3931 proven. 10679 refuted. 0 times theorem prover too weak. 64000 trivial. 0 not checked. [2020-08-18 23:30:07,043 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1102535908] [2020-08-18 23:30:07,043 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:07,044 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [31] total 31 [2020-08-18 23:30:07,044 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726275756] [2020-08-18 23:30:07,045 INFO L459 AbstractCegarLoop]: Interpolant automaton has 31 states [2020-08-18 23:30:07,045 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:07,045 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 31 interpolants. [2020-08-18 23:30:07,046 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=801, Unknown=0, NotChecked=0, Total=930 [2020-08-18 23:30:07,046 INFO L87 Difference]: Start difference. First operand 155 states and 210 transitions. Second operand 31 states. [2020-08-18 23:30:09,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:09,146 INFO L93 Difference]: Finished difference Result 343 states and 541 transitions. [2020-08-18 23:30:09,147 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 62 states. [2020-08-18 23:30:09,147 INFO L78 Accepts]: Start accepts. Automaton has 31 states. Word has length 1162 [2020-08-18 23:30:09,148 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:09,151 INFO L225 Difference]: With dead ends: 343 [2020-08-18 23:30:09,151 INFO L226 Difference]: Without dead ends: 197 [2020-08-18 23:30:09,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 451 GetRequests, 365 SyntacticMatches, 0 SemanticMatches, 86 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1885 ImplicationChecksByTransitivity, 1.6s TimeCoverageRelationStatistics Valid=1164, Invalid=6492, Unknown=0, NotChecked=0, Total=7656 [2020-08-18 23:30:09,155 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 197 states. [2020-08-18 23:30:09,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 197 to 170. [2020-08-18 23:30:09,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-08-18 23:30:09,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 233 transitions. [2020-08-18 23:30:09,168 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 233 transitions. Word has length 1162 [2020-08-18 23:30:09,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:09,169 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 233 transitions. [2020-08-18 23:30:09,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 31 states. [2020-08-18 23:30:09,169 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 233 transitions. [2020-08-18 23:30:09,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1365 [2020-08-18 23:30:09,186 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:09,187 INFO L422 BasicCegarLoop]: trace histogram [207, 207, 113, 94, 93, 93, 93, 93, 93, 93, 93, 20, 20, 20, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:09,187 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-18 23:30:09,188 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:09,188 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:09,188 INFO L82 PathProgramCache]: Analyzing trace with hash 374059961, now seen corresponding path program 21 times [2020-08-18 23:30:09,188 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:09,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1136557460] [2020-08-18 23:30:09,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:09,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:10,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:10,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:10,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:11,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:30:11,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:11,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:11,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:11,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 102 [2020-08-18 23:30:11,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:30:11,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:11,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:11,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:30:11,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:11,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:11,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:11,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:11,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-18 23:30:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:11,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:12,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:12,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:12,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:12,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-18 23:30:12,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-08-18 23:30:12,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:12,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:12,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:12,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:12,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:12,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:12,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-18 23:30:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-08-18 23:30:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:12,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:12,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:12,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:12,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:12,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:12,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:12,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-18 23:30:12,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 619 [2020-08-18 23:30:13,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-18 23:30:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:14,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 95 [2020-08-18 23:30:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:14,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:14,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:14,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:14,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 180 [2020-08-18 23:30:14,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:14,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:14,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:14,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:14,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-18 23:30:14,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 291 [2020-08-18 23:30:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:14,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:14,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:14,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:14,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:14,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:14,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-18 23:30:14,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 402 [2020-08-18 23:30:14,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:14,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:14,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:14,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-18 23:30:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 513 [2020-08-18 23:30:14,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:14,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:14,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:14,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:14,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:14,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:14,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-18 23:30:14,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 624 [2020-08-18 23:30:15,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:15,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:15,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:15,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:15,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:15,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:15,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-18 23:30:15,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 16 [2020-08-18 23:30:15,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 29 [2020-08-18 23:30:15,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:30:15,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 55 [2020-08-18 23:30:15,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 68 [2020-08-18 23:30:15,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 81 [2020-08-18 23:30:15,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:15,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 94 [2020-08-18 23:30:15,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,964 INFO L134 CoverageAnalysis]: Checked inductivity of 109104 backedges. 23428 proven. 23723 refuted. 0 times theorem prover too weak. 61953 trivial. 0 not checked. [2020-08-18 23:30:16,965 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1136557460] [2020-08-18 23:30:16,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:16,965 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [40] total 40 [2020-08-18 23:30:16,965 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242495659] [2020-08-18 23:30:16,966 INFO L459 AbstractCegarLoop]: Interpolant automaton has 40 states [2020-08-18 23:30:16,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:16,966 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 40 interpolants. [2020-08-18 23:30:16,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=210, Invalid=1350, Unknown=0, NotChecked=0, Total=1560 [2020-08-18 23:30:16,967 INFO L87 Difference]: Start difference. First operand 170 states and 233 transitions. Second operand 40 states.