/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/recHanoi01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-18 23:29:34,021 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-18 23:29:34,024 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-18 23:29:34,063 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-18 23:29:34,063 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-18 23:29:34,072 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-18 23:29:34,074 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-18 23:29:34,077 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-18 23:29:34,080 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-18 23:29:34,083 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-18 23:29:34,084 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-18 23:29:34,085 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-18 23:29:34,085 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-18 23:29:34,088 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-18 23:29:34,090 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-18 23:29:34,091 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-18 23:29:34,092 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-18 23:29:34,093 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-18 23:29:34,095 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-18 23:29:34,102 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-18 23:29:34,104 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-18 23:29:34,105 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-18 23:29:34,106 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-18 23:29:34,107 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-18 23:29:34,118 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... 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[2020-08-18 23:29:34,132 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-18 23:29:34,133 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-18 23:29:34,133 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-18 23:29:34,137 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 23:29:34,158 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-18 23:29:34,159 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-18 23:29:34,160 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-18 23:29:34,160 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-18 23:29:34,160 INFO L138 SettingsManager]: * Use SBE=true [2020-08-18 23:29:34,160 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-18 23:29:34,160 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-18 23:29:34,161 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-18 23:29:34,161 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-18 23:29:34,161 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-18 23:29:34,161 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-18 23:29:34,161 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-18 23:29:34,162 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-18 23:29:34,162 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-18 23:29:34,162 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-18 23:29:34,162 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-18 23:29:34,162 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-18 23:29:34,162 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-18 23:29:34,163 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-18 23:29:34,163 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-18 23:29:34,163 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-18 23:29:34,163 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-18 23:29:34,163 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-18 23:29:34,164 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-18 23:29:34,164 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-18 23:29:34,164 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-18 23:29:34,164 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-18 23:29:34,164 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-18 23:29:34,165 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-18 23:29:34,165 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 23:29:34,456 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-18 23:29:34,468 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-18 23:29:34,472 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-18 23:29:34,473 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-18 23:29:34,473 INFO L275 PluginConnector]: CDTParser initialized [2020-08-18 23:29:34,474 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-18 23:29:34,546 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52feef776/85a7aeca11774ea8b8289d41421daeee/FLAGe0d70e744 [2020-08-18 23:29:34,991 INFO L306 CDTParser]: Found 1 translation units. [2020-08-18 23:29:34,992 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-18 23:29:34,998 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52feef776/85a7aeca11774ea8b8289d41421daeee/FLAGe0d70e744 [2020-08-18 23:29:35,428 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/52feef776/85a7aeca11774ea8b8289d41421daeee [2020-08-18 23:29:35,438 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-18 23:29:35,440 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-18 23:29:35,441 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-18 23:29:35,441 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-18 23:29:35,445 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-18 23:29:35,446 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:29:35" (1/1) ... [2020-08-18 23:29:35,448 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62e2491b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35, skipping insertion in model container [2020-08-18 23:29:35,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.08 11:29:35" (1/1) ... [2020-08-18 23:29:35,456 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-18 23:29:35,473 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-18 23:29:35,653 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:29:35,657 INFO L203 MainTranslator]: Completed pre-run [2020-08-18 23:29:35,675 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-18 23:29:35,691 INFO L208 MainTranslator]: Completed translation [2020-08-18 23:29:35,692 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35 WrapperNode [2020-08-18 23:29:35,692 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-18 23:29:35,693 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-18 23:29:35,693 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-18 23:29:35,693 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-18 23:29:35,706 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35" (1/1) ... [2020-08-18 23:29:35,706 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35" (1/1) ... [2020-08-18 23:29:35,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35" (1/1) ... [2020-08-18 23:29:35,786 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35" (1/1) ... [2020-08-18 23:29:35,792 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35" (1/1) ... [2020-08-18 23:29:35,795 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35" (1/1) ... [2020-08-18 23:29:35,797 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35" (1/1) ... [2020-08-18 23:29:35,799 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-18 23:29:35,799 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-18 23:29:35,799 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-18 23:29:35,799 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-18 23:29:35,800 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35" (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 23:29:35,865 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-18 23:29:35,866 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-18 23:29:35,866 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-08-18 23:29:35,866 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2020-08-18 23:29:35,867 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-18 23:29:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-18 23:29:35,867 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-18 23:29:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-08-18 23:29:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2020-08-18 23:29:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-18 23:29:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-18 23:29:35,868 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-18 23:29:36,064 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-18 23:29:36,065 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-18 23:29:36,069 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:29:36 BoogieIcfgContainer [2020-08-18 23:29:36,069 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-18 23:29:36,070 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-18 23:29:36,070 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-18 23:29:36,073 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-18 23:29:36,074 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.08 11:29:35" (1/3) ... [2020-08-18 23:29:36,074 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe0685d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:29:36, skipping insertion in model container [2020-08-18 23:29:36,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.08 11:29:35" (2/3) ... [2020-08-18 23:29:36,075 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6fe0685d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.08 11:29:36, skipping insertion in model container [2020-08-18 23:29:36,075 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.08 11:29:36" (3/3) ... [2020-08-18 23:29:36,077 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2020-08-18 23:29:36,087 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-18 23:29:36,094 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-18 23:29:36,108 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-18 23:29:36,151 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-18 23:29:36,154 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-18 23:29:36,154 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-18 23:29:36,154 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-18 23:29:36,154 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-18 23:29:36,155 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-18 23:29:36,155 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-18 23:29:36,155 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-18 23:29:36,184 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-08-18 23:29:36,193 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-18 23:29:36,193 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:36,195 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:36,195 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:36,202 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:36,203 INFO L82 PathProgramCache]: Analyzing trace with hash -629617454, now seen corresponding path program 1 times [2020-08-18 23:29:36,218 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:36,223 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1596157331] [2020-08-18 23:29:36,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:36,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:36,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:36,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:36,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:36,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:36,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-18 23:29:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:36,458 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 23:29:36,459 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1596157331] [2020-08-18 23:29:36,461 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-18 23:29:36,462 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-18 23:29:36,463 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1608322814] [2020-08-18 23:29:36,468 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-18 23:29:36,468 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:36,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-18 23:29:36,482 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-18 23:29:36,484 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-08-18 23:29:36,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:36,677 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2020-08-18 23:29:36,678 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-18 23:29:36,679 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-08-18 23:29:36,680 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:36,695 INFO L225 Difference]: With dead ends: 48 [2020-08-18 23:29:36,695 INFO L226 Difference]: Without dead ends: 27 [2020-08-18 23:29:36,701 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-18 23:29:36,719 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-08-18 23:29:36,740 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-08-18 23:29:36,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-08-18 23:29:36,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-08-18 23:29:36,745 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 20 [2020-08-18 23:29:36,745 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:36,745 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-08-18 23:29:36,745 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-18 23:29:36,746 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-08-18 23:29:36,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-18 23:29:36,748 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:36,748 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:36,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-18 23:29:36,749 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:36,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:36,750 INFO L82 PathProgramCache]: Analyzing trace with hash 223523063, now seen corresponding path program 1 times [2020-08-18 23:29:36,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:36,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449799260] [2020-08-18 23:29:36,751 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:36,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:36,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:36,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:36,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:36,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:36,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:36,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:37,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:29:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,044 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-08-18 23:29:37,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449799260] [2020-08-18 23:29:37,045 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:37,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 23:29:37,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981673957] [2020-08-18 23:29:37,048 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 23:29:37,048 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:37,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 23:29:37,049 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:29:37,049 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 10 states. [2020-08-18 23:29:37,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:37,433 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2020-08-18 23:29:37,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-18 23:29:37,434 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-08-18 23:29:37,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:37,437 INFO L225 Difference]: With dead ends: 61 [2020-08-18 23:29:37,437 INFO L226 Difference]: Without dead ends: 55 [2020-08-18 23:29:37,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-08-18 23:29:37,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-18 23:29:37,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2020-08-18 23:29:37,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-08-18 23:29:37,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 66 transitions. [2020-08-18 23:29:37,467 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 66 transitions. Word has length 30 [2020-08-18 23:29:37,467 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:37,467 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 66 transitions. [2020-08-18 23:29:37,467 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 23:29:37,468 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2020-08-18 23:29:37,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 23:29:37,472 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:37,472 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:37,473 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-18 23:29:37,473 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:37,473 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:37,473 INFO L82 PathProgramCache]: Analyzing trace with hash 640231516, now seen corresponding path program 2 times [2020-08-18 23:29:37,474 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:37,475 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [45937609] [2020-08-18 23:29:37,475 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:37,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:37,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:37,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:37,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:37,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:37,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 23:29:37,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,694 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 23:29:37,695 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [45937609] [2020-08-18 23:29:37,695 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:37,695 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-18 23:29:37,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1066330666] [2020-08-18 23:29:37,696 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-18 23:29:37,696 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:37,696 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-18 23:29:37,697 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-18 23:29:37,697 INFO L87 Difference]: Start difference. First operand 49 states and 66 transitions. Second operand 7 states. [2020-08-18 23:29:37,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:37,861 INFO L93 Difference]: Finished difference Result 77 states and 111 transitions. [2020-08-18 23:29:37,862 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-18 23:29:37,862 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-08-18 23:29:37,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:37,864 INFO L225 Difference]: With dead ends: 77 [2020-08-18 23:29:37,864 INFO L226 Difference]: Without dead ends: 55 [2020-08-18 23:29:37,865 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:29:37,866 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-18 23:29:37,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2020-08-18 23:29:37,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-08-18 23:29:37,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2020-08-18 23:29:37,879 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 40 [2020-08-18 23:29:37,880 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:37,880 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2020-08-18 23:29:37,880 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-18 23:29:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2020-08-18 23:29:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-18 23:29:37,882 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:37,882 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:37,882 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-18 23:29:37,883 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:37,883 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:37,883 INFO L82 PathProgramCache]: Analyzing trace with hash 1772916587, now seen corresponding path program 1 times [2020-08-18 23:29:37,883 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:37,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [753471129] [2020-08-18 23:29:37,884 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:37,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:37,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-18 23:29:37,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:37,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:37,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,008 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-18 23:29:38,009 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [753471129] [2020-08-18 23:29:38,009 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:38,009 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 23:29:38,010 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1458131792] [2020-08-18 23:29:38,010 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 23:29:38,011 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:38,011 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 23:29:38,011 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:29:38,011 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 10 states. [2020-08-18 23:29:38,310 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:38,310 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2020-08-18 23:29:38,311 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 23:29:38,311 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2020-08-18 23:29:38,311 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:38,313 INFO L225 Difference]: With dead ends: 66 [2020-08-18 23:29:38,313 INFO L226 Difference]: Without dead ends: 46 [2020-08-18 23:29:38,314 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-08-18 23:29:38,315 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-18 23:29:38,325 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-08-18 23:29:38,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-08-18 23:29:38,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-08-18 23:29:38,327 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 36 [2020-08-18 23:29:38,327 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:38,327 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-08-18 23:29:38,327 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 23:29:38,327 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-08-18 23:29:38,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-18 23:29:38,329 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:38,329 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:38,330 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-18 23:29:38,330 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:38,330 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:38,330 INFO L82 PathProgramCache]: Analyzing trace with hash -1240446734, now seen corresponding path program 3 times [2020-08-18 23:29:38,344 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:38,344 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298691654] [2020-08-18 23:29:38,344 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:38,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:38,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-18 23:29:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,499 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-18 23:29:38,500 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298691654] [2020-08-18 23:29:38,500 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:38,500 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-18 23:29:38,501 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [922122152] [2020-08-18 23:29:38,501 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-18 23:29:38,501 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:38,502 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-18 23:29:38,502 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-08-18 23:29:38,502 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 10 states. [2020-08-18 23:29:38,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:38,728 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2020-08-18 23:29:38,728 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-18 23:29:38,728 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2020-08-18 23:29:38,729 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:38,730 INFO L225 Difference]: With dead ends: 71 [2020-08-18 23:29:38,730 INFO L226 Difference]: Without dead ends: 42 [2020-08-18 23:29:38,731 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-08-18 23:29:38,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-08-18 23:29:38,737 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-08-18 23:29:38,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-18 23:29:38,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2020-08-18 23:29:38,739 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 40 [2020-08-18 23:29:38,739 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:38,739 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2020-08-18 23:29:38,739 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-18 23:29:38,740 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2020-08-18 23:29:38,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-18 23:29:38,741 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:38,742 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:38,742 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-18 23:29:38,742 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:38,742 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:38,743 INFO L82 PathProgramCache]: Analyzing trace with hash -979408629, now seen corresponding path program 2 times [2020-08-18 23:29:38,743 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:38,743 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1735868764] [2020-08-18 23:29:38,743 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:38,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:38,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:38,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:38,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:38,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:38,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:38,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:38,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:38,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:38,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:39,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,032 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-08-18 23:29:39,033 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1735868764] [2020-08-18 23:29:39,033 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:39,033 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-18 23:29:39,033 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807690788] [2020-08-18 23:29:39,034 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-18 23:29:39,034 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:39,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-18 23:29:39,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-08-18 23:29:39,035 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand 13 states. [2020-08-18 23:29:39,394 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:39,395 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2020-08-18 23:29:39,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-18 23:29:39,395 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-08-18 23:29:39,396 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:39,398 INFO L225 Difference]: With dead ends: 65 [2020-08-18 23:29:39,398 INFO L226 Difference]: Without dead ends: 61 [2020-08-18 23:29:39,401 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2020-08-18 23:29:39,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-18 23:29:39,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2020-08-18 23:29:39,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-18 23:29:39,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2020-08-18 23:29:39,423 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 56 [2020-08-18 23:29:39,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:39,426 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2020-08-18 23:29:39,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-18 23:29:39,426 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-08-18 23:29:39,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-18 23:29:39,431 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:39,432 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:39,432 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-18 23:29:39,432 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:39,432 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:39,433 INFO L82 PathProgramCache]: Analyzing trace with hash -83361749, now seen corresponding path program 3 times [2020-08-18 23:29:39,433 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:39,433 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1232139874] [2020-08-18 23:29:39,433 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:39,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:39,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:39,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:39,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:39,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:39,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:39,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:39,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:39,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-18 23:29:39,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:39,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:39,690 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 54 proven. 80 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-18 23:29:39,690 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1232139874] [2020-08-18 23:29:39,690 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:39,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 23:29:39,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2133835289] [2020-08-18 23:29:39,692 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 23:29:39,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:39,693 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 23:29:39,695 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:29:39,695 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand 9 states. [2020-08-18 23:29:39,980 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:39,980 INFO L93 Difference]: Finished difference Result 95 states and 138 transitions. [2020-08-18 23:29:39,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 23:29:39,982 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-18 23:29:39,982 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:39,983 INFO L225 Difference]: With dead ends: 95 [2020-08-18 23:29:39,983 INFO L226 Difference]: Without dead ends: 64 [2020-08-18 23:29:39,986 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2020-08-18 23:29:39,987 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-08-18 23:29:40,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 57. [2020-08-18 23:29:40,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-08-18 23:29:40,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2020-08-18 23:29:40,004 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 76 [2020-08-18 23:29:40,005 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:40,005 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2020-08-18 23:29:40,005 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 23:29:40,005 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-08-18 23:29:40,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-18 23:29:40,006 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:40,007 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:40,007 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-18 23:29:40,007 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:40,007 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:40,007 INFO L82 PathProgramCache]: Analyzing trace with hash 1033208535, now seen corresponding path program 4 times [2020-08-18 23:29:40,008 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:40,008 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [406735275] [2020-08-18 23:29:40,008 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:40,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:40,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:40,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:40,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:40,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-18 23:29:40,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,166 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 41 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-18 23:29:40,167 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [406735275] [2020-08-18 23:29:40,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:40,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 23:29:40,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2146772768] [2020-08-18 23:29:40,168 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 23:29:40,168 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:40,168 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 23:29:40,169 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:29:40,169 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand 12 states. [2020-08-18 23:29:40,463 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:40,463 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2020-08-18 23:29:40,463 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 23:29:40,464 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-08-18 23:29:40,464 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:40,465 INFO L225 Difference]: With dead ends: 71 [2020-08-18 23:29:40,465 INFO L226 Difference]: Without dead ends: 55 [2020-08-18 23:29:40,466 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2020-08-18 23:29:40,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-18 23:29:40,474 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2020-08-18 23:29:40,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-18 23:29:40,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2020-08-18 23:29:40,475 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 62 [2020-08-18 23:29:40,475 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:40,475 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2020-08-18 23:29:40,476 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 23:29:40,476 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2020-08-18 23:29:40,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-18 23:29:40,477 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:40,477 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:40,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-18 23:29:40,478 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:40,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:40,478 INFO L82 PathProgramCache]: Analyzing trace with hash 622260971, now seen corresponding path program 5 times [2020-08-18 23:29:40,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:40,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [227731580] [2020-08-18 23:29:40,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:40,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:40,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:40,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:40,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:40,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:40,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:40,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:40,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-18 23:29:40,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:40,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:40,676 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 70 proven. 64 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-18 23:29:40,677 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [227731580] [2020-08-18 23:29:40,677 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:40,677 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-18 23:29:40,682 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1459533971] [2020-08-18 23:29:40,683 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-18 23:29:40,684 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:40,684 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-18 23:29:40,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-18 23:29:40,685 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand 9 states. [2020-08-18 23:29:40,961 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:40,961 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-08-18 23:29:40,963 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-18 23:29:40,963 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-18 23:29:40,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:40,965 INFO L225 Difference]: With dead ends: 96 [2020-08-18 23:29:40,965 INFO L226 Difference]: Without dead ends: 56 [2020-08-18 23:29:40,966 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2020-08-18 23:29:40,967 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-08-18 23:29:40,982 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2020-08-18 23:29:40,982 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-18 23:29:40,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2020-08-18 23:29:40,983 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 76 [2020-08-18 23:29:40,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:40,987 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2020-08-18 23:29:40,987 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-18 23:29:40,987 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-08-18 23:29:40,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-08-18 23:29:40,988 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:40,989 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:40,989 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-18 23:29:40,989 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:40,989 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:40,990 INFO L82 PathProgramCache]: Analyzing trace with hash -633873909, now seen corresponding path program 6 times [2020-08-18 23:29:40,990 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:40,990 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [681068122] [2020-08-18 23:29:40,990 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:41,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:41,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:41,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:41,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:41,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:41,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:41,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:41,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-18 23:29:41,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,252 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 42 proven. 131 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-08-18 23:29:41,253 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [681068122] [2020-08-18 23:29:41,253 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:41,253 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-18 23:29:41,253 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [227144803] [2020-08-18 23:29:41,255 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-18 23:29:41,255 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:41,255 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-18 23:29:41,256 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-18 23:29:41,256 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand 12 states. [2020-08-18 23:29:41,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:41,574 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2020-08-18 23:29:41,574 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-18 23:29:41,575 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-08-18 23:29:41,575 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:41,576 INFO L225 Difference]: With dead ends: 58 [2020-08-18 23:29:41,576 INFO L226 Difference]: Without dead ends: 54 [2020-08-18 23:29:41,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2020-08-18 23:29:41,580 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-08-18 23:29:41,589 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-08-18 23:29:41,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-18 23:29:41,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2020-08-18 23:29:41,591 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 96 [2020-08-18 23:29:41,591 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:41,591 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2020-08-18 23:29:41,591 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-18 23:29:41,592 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2020-08-18 23:29:41,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-18 23:29:41,592 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:41,593 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:41,593 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-18 23:29:41,593 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:41,593 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:41,593 INFO L82 PathProgramCache]: Analyzing trace with hash 542454743, now seen corresponding path program 7 times [2020-08-18 23:29:41,594 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:41,594 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1509864176] [2020-08-18 23:29:41,594 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:41,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:41,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:41,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:41,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:41,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:41,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:41,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:41,989 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 37 [2020-08-18 23:29:42,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:42,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:42,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:42,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:42,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:42,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-18 23:29:42,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:42,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:42,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,244 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-08-18 23:29:42,245 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1509864176] [2020-08-18 23:29:42,245 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:42,245 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-18 23:29:42,245 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1439922511] [2020-08-18 23:29:42,246 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-18 23:29:42,246 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:42,246 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-18 23:29:42,247 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-08-18 23:29:42,247 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand 17 states. [2020-08-18 23:29:42,768 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:42,768 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2020-08-18 23:29:42,769 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-18 23:29:42,769 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 102 [2020-08-18 23:29:42,769 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:42,770 INFO L225 Difference]: With dead ends: 80 [2020-08-18 23:29:42,770 INFO L226 Difference]: Without dead ends: 76 [2020-08-18 23:29:42,771 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2020-08-18 23:29:42,772 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-08-18 23:29:42,779 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2020-08-18 23:29:42,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-08-18 23:29:42,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2020-08-18 23:29:42,780 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 102 [2020-08-18 23:29:42,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:42,781 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2020-08-18 23:29:42,781 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-18 23:29:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-08-18 23:29:42,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-18 23:29:42,783 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:42,783 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 12, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:42,783 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-18 23:29:42,783 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:42,783 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:42,784 INFO L82 PathProgramCache]: Analyzing trace with hash 589762519, now seen corresponding path program 8 times [2020-08-18 23:29:42,784 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:42,784 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1333822001] [2020-08-18 23:29:42,784 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:42,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:42,840 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 7 [2020-08-18 23:29:42,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:42,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:42,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:42,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:42,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:42,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:43,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:43,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:43,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:43,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-18 23:29:43,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,127 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 167 proven. 314 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2020-08-18 23:29:43,127 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1333822001] [2020-08-18 23:29:43,127 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:43,127 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-18 23:29:43,128 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1356143123] [2020-08-18 23:29:43,128 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-18 23:29:43,128 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:43,129 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-18 23:29:43,129 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-18 23:29:43,129 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand 11 states. [2020-08-18 23:29:43,606 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:43,606 INFO L93 Difference]: Finished difference Result 125 states and 188 transitions. [2020-08-18 23:29:43,607 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 23:29:43,607 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-08-18 23:29:43,607 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:43,608 INFO L225 Difference]: With dead ends: 125 [2020-08-18 23:29:43,609 INFO L226 Difference]: Without dead ends: 82 [2020-08-18 23:29:43,610 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2020-08-18 23:29:43,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-18 23:29:43,617 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2020-08-18 23:29:43,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-18 23:29:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2020-08-18 23:29:43,619 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 142 [2020-08-18 23:29:43,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:43,619 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2020-08-18 23:29:43,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-18 23:29:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2020-08-18 23:29:43,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-18 23:29:43,621 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:43,621 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:43,621 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-18 23:29:43,621 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:43,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:43,622 INFO L82 PathProgramCache]: Analyzing trace with hash 1145252683, now seen corresponding path program 9 times [2020-08-18 23:29:43,622 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:43,622 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [622402026] [2020-08-18 23:29:43,622 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:43,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:43,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:43,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:43,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:43,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:43,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:43,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:43,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-18 23:29:43,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:43,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:43,875 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 144 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-08-18 23:29:43,876 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [622402026] [2020-08-18 23:29:43,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:43,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 23:29:43,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [179662046] [2020-08-18 23:29:43,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 23:29:43,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:43,878 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 23:29:43,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:29:43,878 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 14 states. [2020-08-18 23:29:44,248 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:44,249 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions. [2020-08-18 23:29:44,249 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-18 23:29:44,249 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 108 [2020-08-18 23:29:44,250 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:44,250 INFO L225 Difference]: With dead ends: 86 [2020-08-18 23:29:44,250 INFO L226 Difference]: Without dead ends: 67 [2020-08-18 23:29:44,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2020-08-18 23:29:44,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-08-18 23:29:44,258 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-08-18 23:29:44,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-18 23:29:44,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-08-18 23:29:44,260 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 108 [2020-08-18 23:29:44,260 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:44,260 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-08-18 23:29:44,260 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 23:29:44,260 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-08-18 23:29:44,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-08-18 23:29:44,263 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:44,263 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:44,263 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-18 23:29:44,263 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:44,263 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:44,264 INFO L82 PathProgramCache]: Analyzing trace with hash -2107974185, now seen corresponding path program 10 times [2020-08-18 23:29:44,264 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:44,264 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041564898] [2020-08-18 23:29:44,264 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:44,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:44,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:44,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,533 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 2 [2020-08-18 23:29:44,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:44,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:44,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:44,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:44,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:44,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:44,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:44,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:44,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,642 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 7 [2020-08-18 23:29:44,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:44,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:44,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:44,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:44,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:44,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:44,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 23:29:44,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:44,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:44,761 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 107 proven. 404 refuted. 0 times theorem prover too weak. 1573 trivial. 0 not checked. [2020-08-18 23:29:44,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041564898] [2020-08-18 23:29:44,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:44,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-18 23:29:44,762 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1976783292] [2020-08-18 23:29:44,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-18 23:29:44,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:44,763 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-18 23:29:44,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-18 23:29:44,764 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 14 states. [2020-08-18 23:29:45,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:45,212 INFO L93 Difference]: Finished difference Result 118 states and 179 transitions. [2020-08-18 23:29:45,215 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-18 23:29:45,215 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 182 [2020-08-18 23:29:45,216 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:45,217 INFO L225 Difference]: With dead ends: 118 [2020-08-18 23:29:45,217 INFO L226 Difference]: Without dead ends: 66 [2020-08-18 23:29:45,221 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=716, Unknown=0, NotChecked=0, Total=870 [2020-08-18 23:29:45,221 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-08-18 23:29:45,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2020-08-18 23:29:45,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-18 23:29:45,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2020-08-18 23:29:45,229 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 182 [2020-08-18 23:29:45,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:45,231 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2020-08-18 23:29:45,231 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-18 23:29:45,231 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-08-18 23:29:45,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-08-18 23:29:45,233 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:45,233 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:45,233 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-18 23:29:45,234 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:45,234 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:45,234 INFO L82 PathProgramCache]: Analyzing trace with hash 836851019, now seen corresponding path program 11 times [2020-08-18 23:29:45,234 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:45,234 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [206061207] [2020-08-18 23:29:45,235 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:45,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:45,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:45,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:45,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:45,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:45,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:45,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:45,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:45,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:45,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:45,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 23:29:45,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,025 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2020-08-18 23:29:46,025 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [206061207] [2020-08-18 23:29:46,025 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:46,025 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-18 23:29:46,025 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1145591736] [2020-08-18 23:29:46,026 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-18 23:29:46,026 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:46,026 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-18 23:29:46,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=380, Unknown=0, NotChecked=0, Total=420 [2020-08-18 23:29:46,026 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand 21 states. [2020-08-18 23:29:46,855 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:46,855 INFO L93 Difference]: Finished difference Result 95 states and 124 transitions. [2020-08-18 23:29:46,857 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-18 23:29:46,857 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 188 [2020-08-18 23:29:46,858 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:46,859 INFO L225 Difference]: With dead ends: 95 [2020-08-18 23:29:46,859 INFO L226 Difference]: Without dead ends: 91 [2020-08-18 23:29:46,860 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=1339, Unknown=0, NotChecked=0, Total=1482 [2020-08-18 23:29:46,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-18 23:29:46,867 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2020-08-18 23:29:46,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-18 23:29:46,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2020-08-18 23:29:46,869 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 188 [2020-08-18 23:29:46,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:46,869 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2020-08-18 23:29:46,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-18 23:29:46,870 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2020-08-18 23:29:46,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-08-18 23:29:46,873 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:46,873 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 24, 23, 23, 23, 23, 23, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:46,873 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-18 23:29:46,873 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:46,873 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:46,874 INFO L82 PathProgramCache]: Analyzing trace with hash 1987597643, now seen corresponding path program 12 times [2020-08-18 23:29:46,874 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:46,874 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [621912525] [2020-08-18 23:29:46,874 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:46,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:46,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:47,184 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 2 [2020-08-18 23:29:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:47,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:47,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:47,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,323 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 37 [2020-08-18 23:29:47,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:47,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:47,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,366 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 2 [2020-08-18 23:29:47,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:47,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:47,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:47,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:47,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-08-18 23:29:47,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:47,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:47,521 INFO L134 CoverageAnalysis]: Checked inductivity of 4860 backedges. 455 proven. 975 refuted. 0 times theorem prover too weak. 3430 trivial. 0 not checked. [2020-08-18 23:29:47,521 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [621912525] [2020-08-18 23:29:47,522 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:47,522 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-18 23:29:47,522 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2145385425] [2020-08-18 23:29:47,523 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-18 23:29:47,523 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:47,523 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-18 23:29:47,523 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-18 23:29:47,523 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 13 states. [2020-08-18 23:29:48,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:48,050 INFO L93 Difference]: Finished difference Result 155 states and 241 transitions. [2020-08-18 23:29:48,052 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 23:29:48,052 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 268 [2020-08-18 23:29:48,053 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:48,054 INFO L225 Difference]: With dead ends: 155 [2020-08-18 23:29:48,054 INFO L226 Difference]: Without dead ends: 100 [2020-08-18 23:29:48,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=998, Unknown=0, NotChecked=0, Total=1260 [2020-08-18 23:29:48,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-08-18 23:29:48,064 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 87. [2020-08-18 23:29:48,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-18 23:29:48,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 115 transitions. [2020-08-18 23:29:48,065 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 115 transitions. Word has length 268 [2020-08-18 23:29:48,066 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:48,066 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 115 transitions. [2020-08-18 23:29:48,066 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-18 23:29:48,066 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2020-08-18 23:29:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-08-18 23:29:48,068 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:48,068 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:48,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-18 23:29:48,069 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:48,069 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:48,069 INFO L82 PathProgramCache]: Analyzing trace with hash 1322769943, now seen corresponding path program 13 times [2020-08-18 23:29:48,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:48,069 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1523463941] [2020-08-18 23:29:48,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:48,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:48,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:48,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:48,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:48,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:48,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:48,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:48,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:48,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-18 23:29:48,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:48,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:48,642 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 107 proven. 423 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2020-08-18 23:29:48,643 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1523463941] [2020-08-18 23:29:48,643 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:48,643 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 23:29:48,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [530994128] [2020-08-18 23:29:48,644 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 23:29:48,644 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:48,645 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 23:29:48,645 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-08-18 23:29:48,645 INFO L87 Difference]: Start difference. First operand 87 states and 115 transitions. Second operand 16 states. [2020-08-18 23:29:49,433 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:49,434 INFO L93 Difference]: Finished difference Result 135 states and 199 transitions. [2020-08-18 23:29:49,434 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 23:29:49,434 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 194 [2020-08-18 23:29:49,435 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:49,436 INFO L225 Difference]: With dead ends: 135 [2020-08-18 23:29:49,436 INFO L226 Difference]: Without dead ends: 88 [2020-08-18 23:29:49,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=1231, Unknown=0, NotChecked=0, Total=1406 [2020-08-18 23:29:49,439 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-08-18 23:29:49,446 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2020-08-18 23:29:49,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-18 23:29:49,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-18 23:29:49,448 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 194 [2020-08-18 23:29:49,448 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:49,448 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-18 23:29:49,448 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 23:29:49,448 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-18 23:29:49,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-08-18 23:29:49,453 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:49,454 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:49,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-18 23:29:49,454 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:49,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:49,455 INFO L82 PathProgramCache]: Analyzing trace with hash -547968693, now seen corresponding path program 14 times [2020-08-18 23:29:49,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:49,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1409582434] [2020-08-18 23:29:49,455 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:49,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:49,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:49,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:49,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:50,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:50,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:50,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:50,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:50,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:29:50,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:50,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:50,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:50,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:50,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-18 23:29:50,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:50,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:50,624 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 244 proven. 1097 refuted. 0 times theorem prover too weak. 7431 trivial. 0 not checked. [2020-08-18 23:29:50,625 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1409582434] [2020-08-18 23:29:50,625 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:50,625 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-18 23:29:50,626 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2136755089] [2020-08-18 23:29:50,627 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-18 23:29:50,627 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:50,627 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-18 23:29:50,627 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-08-18 23:29:50,627 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 16 states. [2020-08-18 23:29:51,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:51,261 INFO L93 Difference]: Finished difference Result 151 states and 234 transitions. [2020-08-18 23:29:51,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-18 23:29:51,262 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 348 [2020-08-18 23:29:51,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:51,264 INFO L225 Difference]: With dead ends: 151 [2020-08-18 23:29:51,264 INFO L226 Difference]: Without dead ends: 78 [2020-08-18 23:29:51,265 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=1041, Unknown=0, NotChecked=0, Total=1260 [2020-08-18 23:29:51,266 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-18 23:29:51,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2020-08-18 23:29:51,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-08-18 23:29:51,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 101 transitions. [2020-08-18 23:29:51,273 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 101 transitions. Word has length 348 [2020-08-18 23:29:51,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:51,274 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 101 transitions. [2020-08-18 23:29:51,274 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-18 23:29:51,274 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2020-08-18 23:29:51,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-18 23:29:51,276 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:51,277 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:51,277 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-18 23:29:51,277 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:51,277 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:51,278 INFO L82 PathProgramCache]: Analyzing trace with hash -604098025, now seen corresponding path program 15 times [2020-08-18 23:29:51,278 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:51,278 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1037805011] [2020-08-18 23:29:51,278 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:51,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:52,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:52,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:52,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:52,355 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 2 [2020-08-18 23:29:52,363 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 2 [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 7 [2020-08-18 23:29:52,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [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 2 [2020-08-18 23:29:52,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:29:52,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:52,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:52,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:52,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:52,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:52,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:52,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:52,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:52,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:53,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-18 23:29:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:53,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:53,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:53,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:53,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:53,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:53,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:53,696 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 0 proven. 2940 refuted. 0 times theorem prover too weak. 5854 trivial. 0 not checked. [2020-08-18 23:29:53,697 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1037805011] [2020-08-18 23:29:53,697 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:53,697 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-18 23:29:53,697 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [430442190] [2020-08-18 23:29:53,699 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-18 23:29:53,699 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:53,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-18 23:29:53,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2020-08-18 23:29:53,700 INFO L87 Difference]: Start difference. First operand 75 states and 101 transitions. Second operand 25 states. [2020-08-18 23:29:54,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:54,819 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions. [2020-08-18 23:29:54,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-18 23:29:54,819 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 354 [2020-08-18 23:29:54,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:54,822 INFO L225 Difference]: With dead ends: 110 [2020-08-18 23:29:54,822 INFO L226 Difference]: Without dead ends: 106 [2020-08-18 23:29:54,823 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=175, Invalid=1987, Unknown=0, NotChecked=0, Total=2162 [2020-08-18 23:29:54,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-08-18 23:29:54,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 99. [2020-08-18 23:29:54,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 23:29:54,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 136 transitions. [2020-08-18 23:29:54,833 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 136 transitions. Word has length 354 [2020-08-18 23:29:54,833 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:54,833 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 136 transitions. [2020-08-18 23:29:54,834 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-18 23:29:54,834 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2020-08-18 23:29:54,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-18 23:29:54,837 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:54,837 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:54,838 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-18 23:29:54,838 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:54,838 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:54,838 INFO L82 PathProgramCache]: Analyzing trace with hash 1040265751, now seen corresponding path program 16 times [2020-08-18 23:29:54,839 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:54,839 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796203575] [2020-08-18 23:29:54,839 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:55,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:55,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:29:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:55,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:55,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:55,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:29:55,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:55,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:55,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:55,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:55,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:55,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:56,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:56,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:56,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:56,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:56,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:56,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:56,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:56,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-18 23:29:56,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:56,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:56,479 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1138 proven. 2665 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-18 23:29:56,479 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796203575] [2020-08-18 23:29:56,479 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:56,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-18 23:29:56,480 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1896687293] [2020-08-18 23:29:56,480 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-18 23:29:56,481 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:56,481 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-18 23:29:56,481 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-18 23:29:56,482 INFO L87 Difference]: Start difference. First operand 99 states and 136 transitions. Second operand 15 states. [2020-08-18 23:29:57,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:57,211 INFO L93 Difference]: Finished difference Result 185 states and 297 transitions. [2020-08-18 23:29:57,212 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-18 23:29:57,212 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-18 23:29:57,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:57,214 INFO L225 Difference]: With dead ends: 185 [2020-08-18 23:29:57,214 INFO L226 Difference]: Without dead ends: 118 [2020-08-18 23:29:57,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=379, Invalid=1513, Unknown=0, NotChecked=0, Total=1892 [2020-08-18 23:29:57,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-18 23:29:57,224 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2020-08-18 23:29:57,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-18 23:29:57,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 138 transitions. [2020-08-18 23:29:57,226 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 138 transitions. Word has length 514 [2020-08-18 23:29:57,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:57,227 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 138 transitions. [2020-08-18 23:29:57,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-18 23:29:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 138 transitions. [2020-08-18 23:29:57,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-08-18 23:29:57,229 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:57,229 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:57,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-18 23:29:57,230 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:57,230 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:57,230 INFO L82 PathProgramCache]: Analyzing trace with hash 800684683, now seen corresponding path program 17 times [2020-08-18 23:29:57,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:57,231 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1399317114] [2020-08-18 23:29:57,231 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:57,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:57,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:57,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,733 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 17 [2020-08-18 23:29:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:57,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:57,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:29:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:57,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:57,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:57,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,863 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 77 [2020-08-18 23:29:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:57,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:57,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:57,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:57,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:57,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:57,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-18 23:29:58,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:58,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:58,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:58,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:58,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:58,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:58,187 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 244 proven. 1122 refuted. 0 times theorem prover too weak. 7456 trivial. 0 not checked. [2020-08-18 23:29:58,187 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1399317114] [2020-08-18 23:29:58,187 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:29:58,188 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 23:29:58,188 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1717880281] [2020-08-18 23:29:58,188 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 23:29:58,189 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:29:58,189 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 23:29:58,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-18 23:29:58,189 INFO L87 Difference]: Start difference. First operand 102 states and 138 transitions. Second operand 18 states. [2020-08-18 23:29:58,731 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:29:58,731 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2020-08-18 23:29:58,732 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-18 23:29:58,732 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 360 [2020-08-18 23:29:58,733 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:29:58,734 INFO L225 Difference]: With dead ends: 116 [2020-08-18 23:29:58,734 INFO L226 Difference]: Without dead ends: 91 [2020-08-18 23:29:58,739 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=282, Invalid=1278, Unknown=0, NotChecked=0, Total=1560 [2020-08-18 23:29:58,739 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-18 23:29:58,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-08-18 23:29:58,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-18 23:29:58,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-08-18 23:29:58,752 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 360 [2020-08-18 23:29:58,753 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:29:58,753 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-08-18 23:29:58,753 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 23:29:58,753 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-08-18 23:29:58,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-18 23:29:58,757 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:29:58,757 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:29:58,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-18 23:29:58,758 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:29:58,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:29:58,758 INFO L82 PathProgramCache]: Analyzing trace with hash -1908418025, now seen corresponding path program 18 times [2020-08-18 23:29:58,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:29:58,759 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1680491103] [2020-08-18 23:29:58,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:29:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:29:59,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:59,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:59,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:59,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:59,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:29:59,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:59,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:29:59,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:59,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:29:59,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:29:59,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:29:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:29:59,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:29:59,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:00,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 23:30:00,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:00,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:00,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:00,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:00,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:00,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:00,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:00,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:00,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-18 23:30:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:00,611 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1630 proven. 2173 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-18 23:30:00,612 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1680491103] [2020-08-18 23:30:00,612 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:00,612 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-18 23:30:00,612 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [514977990] [2020-08-18 23:30:00,613 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-18 23:30:00,613 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:00,613 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-18 23:30:00,614 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-18 23:30:00,614 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 15 states. [2020-08-18 23:30:01,368 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:01,368 INFO L93 Difference]: Finished difference Result 177 states and 281 transitions. [2020-08-18 23:30:01,370 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-18 23:30:01,371 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-18 23:30:01,371 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:01,374 INFO L225 Difference]: With dead ends: 177 [2020-08-18 23:30:01,374 INFO L226 Difference]: Without dead ends: 101 [2020-08-18 23:30:01,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1522, Unknown=0, NotChecked=0, Total=1892 [2020-08-18 23:30:01,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-18 23:30:01,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 84. [2020-08-18 23:30:01,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-18 23:30:01,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-18 23:30:01,388 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 514 [2020-08-18 23:30:01,389 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:01,389 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-18 23:30:01,389 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-18 23:30:01,389 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-18 23:30:01,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-08-18 23:30:01,394 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:01,394 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:01,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-18 23:30:01,394 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:01,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:01,395 INFO L82 PathProgramCache]: Analyzing trace with hash 2099436055, now seen corresponding path program 19 times [2020-08-18 23:30:01,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:01,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1996657730] [2020-08-18 23:30:01,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:01,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:02,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:02,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:02,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:02,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:02,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:02,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:02,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:02,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:02,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:02,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:02,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:02,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:02,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:02,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:02,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:02,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 23:30:02,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:03,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:03,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:03,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [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 2 [2020-08-18 23:30:03,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,262 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 7 [2020-08-18 23:30:03,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:03,266 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 2 [2020-08-18 23:30:03,270 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 2 [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 7 [2020-08-18 23:30:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:03,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:03,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-18 23:30:03,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:03,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:04,173 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 525 proven. 2762 refuted. 0 times theorem prover too weak. 32675 trivial. 0 not checked. [2020-08-18 23:30:04,173 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1996657730] [2020-08-18 23:30:04,174 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:04,174 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-18 23:30:04,174 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498017292] [2020-08-18 23:30:04,175 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-18 23:30:04,175 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:04,175 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-18 23:30:04,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-18 23:30:04,176 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 18 states. [2020-08-18 23:30:05,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:05,026 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2020-08-18 23:30:05,028 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-18 23:30:05,029 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 674 [2020-08-18 23:30:05,030 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:05,032 INFO L225 Difference]: With dead ends: 94 [2020-08-18 23:30:05,032 INFO L226 Difference]: Without dead ends: 90 [2020-08-18 23:30:05,033 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=296, Invalid=1426, Unknown=0, NotChecked=0, Total=1722 [2020-08-18 23:30:05,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-08-18 23:30:05,041 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2020-08-18 23:30:05,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-18 23:30:05,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 121 transitions. [2020-08-18 23:30:05,042 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 121 transitions. Word has length 674 [2020-08-18 23:30:05,043 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:05,044 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 121 transitions. [2020-08-18 23:30:05,044 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-18 23:30:05,044 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2020-08-18 23:30:05,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2020-08-18 23:30:05,049 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:05,049 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:05,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-18 23:30:05,050 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:05,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:05,050 INFO L82 PathProgramCache]: Analyzing trace with hash 2092966539, now seen corresponding path program 20 times [2020-08-18 23:30:05,050 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:05,050 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590534133] [2020-08-18 23:30:05,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:05,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:06,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:06,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:06,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:06,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:06,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:06,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:06,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:06,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:06,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:06,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:06,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:06,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:06,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:06,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:06,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:06,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:07,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:07,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:07,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:07,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:07,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 23:30:07,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:07,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:07,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:07,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:07,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:07,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:07,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:07,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:08,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:08,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:08,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:08,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:08,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:08,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:08,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:08,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:08,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:08,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:08,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-18 23:30:08,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:08,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:09,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:09,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:09,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:09,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:09,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:09,639 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 0 proven. 12010 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2020-08-18 23:30:09,639 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590534133] [2020-08-18 23:30:09,639 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:09,639 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-18 23:30:09,640 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1858949294] [2020-08-18 23:30:09,640 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-18 23:30:09,641 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:09,641 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-18 23:30:09,641 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=756, Unknown=0, NotChecked=0, Total=812 [2020-08-18 23:30:09,641 INFO L87 Difference]: Start difference. First operand 87 states and 121 transitions. Second operand 29 states. [2020-08-18 23:30:11,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:11,139 INFO L93 Difference]: Finished difference Result 125 states and 171 transitions. [2020-08-18 23:30:11,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-08-18 23:30:11,139 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 680 [2020-08-18 23:30:11,141 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:11,142 INFO L225 Difference]: With dead ends: 125 [2020-08-18 23:30:11,142 INFO L226 Difference]: Without dead ends: 121 [2020-08-18 23:30:11,144 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=2763, Unknown=0, NotChecked=0, Total=2970 [2020-08-18 23:30:11,144 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-18 23:30:11,152 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2020-08-18 23:30:11,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-18 23:30:11,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2020-08-18 23:30:11,154 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 680 [2020-08-18 23:30:11,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:11,154 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2020-08-18 23:30:11,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-18 23:30:11,155 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2020-08-18 23:30:11,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2020-08-18 23:30:11,164 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:11,164 INFO L422 BasicCegarLoop]: trace histogram [191, 191, 96, 95, 95, 95, 95, 95, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:11,165 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-18 23:30:11,165 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:11,165 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:11,165 INFO L82 PathProgramCache]: Analyzing trace with hash 1334715019, now seen corresponding path program 21 times [2020-08-18 23:30:11,166 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:11,166 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [694340934] [2020-08-18 23:30:11,166 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:11,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:12,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,403 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 7 [2020-08-18 23:30:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:12,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:12,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:12,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:12,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:12,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:12,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:12,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:12,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:12,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:12,592 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 2 [2020-08-18 23:30:12,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:12,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:12,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:12,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:12,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 23:30:12,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:12,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:12,892 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 2 [2020-08-18 23:30:12,961 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 2 [2020-08-18 23:30:12,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:13,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:13,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:13,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:13,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:13,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 23:30:13,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:13,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:13,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:13,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:13,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,469 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 2 [2020-08-18 23:30:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:13,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:13,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:13,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:13,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-08-18 23:30:14,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:14,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:14,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:14,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:14,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:14,542 INFO L134 CoverageAnalysis]: Checked inductivity of 81590 backedges. 2688 proven. 6748 refuted. 0 times theorem prover too weak. 72154 trivial. 0 not checked. [2020-08-18 23:30:14,543 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [694340934] [2020-08-18 23:30:14,543 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:14,543 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-18 23:30:14,543 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [570761866] [2020-08-18 23:30:14,544 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-18 23:30:14,544 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:14,544 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-18 23:30:14,544 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-18 23:30:14,544 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand 17 states. [2020-08-18 23:30:15,421 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:15,422 INFO L93 Difference]: Finished difference Result 215 states and 356 transitions. [2020-08-18 23:30:15,423 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-18 23:30:15,423 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1000 [2020-08-18 23:30:15,423 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:15,426 INFO L225 Difference]: With dead ends: 215 [2020-08-18 23:30:15,426 INFO L226 Difference]: Without dead ends: 136 [2020-08-18 23:30:15,428 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=517, Invalid=2135, Unknown=0, NotChecked=0, Total=2652 [2020-08-18 23:30:15,429 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-08-18 23:30:15,438 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 117. [2020-08-18 23:30:15,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-18 23:30:15,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 162 transitions. [2020-08-18 23:30:15,440 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 162 transitions. Word has length 1000 [2020-08-18 23:30:15,440 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:15,440 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 162 transitions. [2020-08-18 23:30:15,440 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-18 23:30:15,440 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 162 transitions. [2020-08-18 23:30:15,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2020-08-18 23:30:15,446 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:15,447 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:15,447 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-18 23:30:15,447 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:15,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:15,447 INFO L82 PathProgramCache]: Analyzing trace with hash 1024924247, now seen corresponding path program 22 times [2020-08-18 23:30:15,448 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:15,448 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [555883885] [2020-08-18 23:30:15,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:15,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:16,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:16,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:16,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:16,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:16,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 23:30:16,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:16,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:16,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:16,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:16,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:16,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:16,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:16,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:16,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:16,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:16,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:17,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-18 23:30:17,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:17,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:17,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:17,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:17,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:17,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:17,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:17,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:17,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:17,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:17,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:17,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 36024 backedges. 525 proven. 2793 refuted. 0 times theorem prover too weak. 32706 trivial. 0 not checked. [2020-08-18 23:30:17,491 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [555883885] [2020-08-18 23:30:17,491 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:17,492 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-18 23:30:17,492 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2077367663] [2020-08-18 23:30:17,492 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-18 23:30:17,492 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:17,493 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-18 23:30:17,493 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-08-18 23:30:17,493 INFO L87 Difference]: Start difference. First operand 117 states and 162 transitions. Second operand 20 states. [2020-08-18 23:30:18,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:18,158 INFO L93 Difference]: Finished difference Result 131 states and 184 transitions. [2020-08-18 23:30:18,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-18 23:30:18,159 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 686 [2020-08-18 23:30:18,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:18,162 INFO L225 Difference]: With dead ends: 131 [2020-08-18 23:30:18,162 INFO L226 Difference]: Without dead ends: 103 [2020-08-18 23:30:18,163 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1700, Unknown=0, NotChecked=0, Total=2070 [2020-08-18 23:30:18,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-08-18 23:30:18,173 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2020-08-18 23:30:18,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 23:30:18,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 149 transitions. [2020-08-18 23:30:18,174 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 149 transitions. Word has length 686 [2020-08-18 23:30:18,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:18,175 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 149 transitions. [2020-08-18 23:30:18,175 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-18 23:30:18,175 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2020-08-18 23:30:18,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1321 [2020-08-18 23:30:18,190 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:18,190 INFO L422 BasicCegarLoop]: trace histogram [255, 255, 128, 127, 127, 127, 127, 127, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:18,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-18 23:30:18,191 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:18,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:18,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1504539275, now seen corresponding path program 23 times [2020-08-18 23:30:18,191 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:18,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1586995860] [2020-08-18 23:30:18,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:20,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:20,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:20,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:21,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:21,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:21,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:21,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:21,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 23:30:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:21,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:21,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:21,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:21,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:21,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:21,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:21,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:21,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:21,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:21,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-08-18 23:30:22,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:22,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:22,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:22,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:22,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:22,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:22,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-18 23:30:22,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:22,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:22,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-18 23:30:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:22,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-18 23:30:22,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-18 23:30:22,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-18 23:30:22,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:22,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:22,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:22,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:23,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1282 [2020-08-18 23:30:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:23,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:23,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:23,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:23,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:23,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:23,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:23,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:23,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:23,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:24,450 INFO L134 CoverageAnalysis]: Checked inductivity of 145622 backedges. 1094 proven. 6631 refuted. 0 times theorem prover too weak. 137897 trivial. 0 not checked. [2020-08-18 23:30:24,450 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1586995860] [2020-08-18 23:30:24,451 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-18 23:30:24,451 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-18 23:30:24,451 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1906936412] [2020-08-18 23:30:24,452 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-18 23:30:24,452 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-18 23:30:24,452 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-18 23:30:24,452 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-08-18 23:30:24,452 INFO L87 Difference]: Start difference. First operand 99 states and 149 transitions. Second operand 20 states. [2020-08-18 23:30:25,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-18 23:30:25,346 INFO L93 Difference]: Finished difference Result 190 states and 314 transitions. [2020-08-18 23:30:25,346 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-18 23:30:25,346 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1320 [2020-08-18 23:30:25,348 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-18 23:30:25,349 INFO L225 Difference]: With dead ends: 190 [2020-08-18 23:30:25,349 INFO L226 Difference]: Without dead ends: 102 [2020-08-18 23:30:25,351 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 569 GetRequests, 523 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 440 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=385, Invalid=1871, Unknown=0, NotChecked=0, Total=2256 [2020-08-18 23:30:25,351 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 102 states. [2020-08-18 23:30:25,360 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 102 to 99. [2020-08-18 23:30:25,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-18 23:30:25,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 142 transitions. [2020-08-18 23:30:25,362 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 142 transitions. Word has length 1320 [2020-08-18 23:30:25,363 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-18 23:30:25,363 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 142 transitions. [2020-08-18 23:30:25,363 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-18 23:30:25,363 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 142 transitions. [2020-08-18 23:30:25,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1327 [2020-08-18 23:30:25,379 INFO L414 BasicCegarLoop]: Found error trace [2020-08-18 23:30:25,380 INFO L422 BasicCegarLoop]: trace histogram [255, 255, 128, 127, 127, 127, 127, 127, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-18 23:30:25,380 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-18 23:30:25,380 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-18 23:30:25,380 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-18 23:30:25,381 INFO L82 PathProgramCache]: Analyzing trace with hash -423073193, now seen corresponding path program 24 times [2020-08-18 23:30:25,381 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-18 23:30:25,381 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [486148692] [2020-08-18 23:30:25,381 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-18 23:30:26,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:27,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-18 23:30:27,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:27,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-18 23:30:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:28,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-18 23:30:28,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-18 23:30:28,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat