/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=NARROWEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 21:20:42,651 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 21:20:42,654 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 21:20:42,680 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 21:20:42,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 21:20:42,683 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 21:20:42,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 21:20:42,691 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 21:20:42,695 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 21:20:42,696 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 21:20:42,697 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 21:20:42,700 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 21:20:42,701 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 21:20:42,702 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 21:20:42,705 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 21:20:42,707 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 21:20:42,707 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 21:20:42,710 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 21:20:42,712 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 21:20:42,716 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 21:20:42,721 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 21:20:42,724 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 21:20:42,726 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 21:20:42,727 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 21:20:42,734 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 21:20:42,734 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 21:20:42,734 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 21:20:42,740 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 21:20:42,741 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 21:20:42,741 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 21:20:42,742 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 21:20:42,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 21:20:42,743 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 21:20:42,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 21:20:42,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 21:20:42,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 21:20:42,746 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 21:20:42,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 21:20:42,747 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 21:20:42,748 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 21:20:42,748 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 21:20:42,749 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 [2020-08-21 21:20:42,773 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 21:20:42,774 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 21:20:42,775 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 21:20:42,775 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 21:20:42,776 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 21:20:42,776 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 21:20:42,776 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 21:20:42,776 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 21:20:42,776 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 21:20:42,777 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 21:20:42,777 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 21:20:42,777 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 21:20:42,777 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 21:20:42,777 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 21:20:42,778 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 21:20:42,778 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 21:20:42,778 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 21:20:42,778 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 21:20:42,778 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 21:20:42,779 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 21:20:42,779 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 21:20:42,779 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 21:20:42,779 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 21:20:42,780 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 21:20:42,780 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 21:20:42,780 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 21:20:42,780 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 21:20:42,780 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 21:20:42,780 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 21:20:42,781 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=NARROWEST;log-additional-information=true; [2020-08-21 21:20:43,124 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 21:20:43,142 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 21:20:43,146 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 21:20:43,148 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 21:20:43,148 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 21:20:43,148 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-21 21:20:43,224 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf63299a4/50058c5d728642009e3b0f3efec10b44/FLAG033c87e91 [2020-08-21 21:20:43,685 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 21:20:43,686 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-21 21:20:43,693 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf63299a4/50058c5d728642009e3b0f3efec10b44/FLAG033c87e91 [2020-08-21 21:20:44,069 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/cf63299a4/50058c5d728642009e3b0f3efec10b44 [2020-08-21 21:20:44,079 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 21:20:44,081 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 21:20:44,082 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 21:20:44,082 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 21:20:44,086 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 21:20:44,087 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:20:44" (1/1) ... [2020-08-21 21:20:44,090 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f1d1049 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44, skipping insertion in model container [2020-08-21 21:20:44,090 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 09:20:44" (1/1) ... [2020-08-21 21:20:44,098 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 21:20:44,117 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 21:20:44,320 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:20:44,325 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 21:20:44,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 21:20:44,361 INFO L208 MainTranslator]: Completed translation [2020-08-21 21:20:44,361 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44 WrapperNode [2020-08-21 21:20:44,362 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 21:20:44,363 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 21:20:44,363 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 21:20:44,363 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 21:20:44,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44" (1/1) ... [2020-08-21 21:20:44,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44" (1/1) ... [2020-08-21 21:20:44,472 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44" (1/1) ... [2020-08-21 21:20:44,473 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44" (1/1) ... [2020-08-21 21:20:44,478 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44" (1/1) ... [2020-08-21 21:20:44,482 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44" (1/1) ... [2020-08-21 21:20:44,489 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44" (1/1) ... [2020-08-21 21:20:44,495 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 21:20:44,496 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 21:20:44,496 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 21:20:44,496 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 21:20:44,497 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44" (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 [2020-08-21 21:20:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 21:20:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 21:20:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-21 21:20:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-21 21:20:44,553 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 21:20:44,553 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 21:20:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 21:20:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-21 21:20:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-21 21:20:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 21:20:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 21:20:44,554 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 21:20:44,766 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 21:20:44,766 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 21:20:44,771 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:20:44 BoogieIcfgContainer [2020-08-21 21:20:44,771 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 21:20:44,773 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 21:20:44,774 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 21:20:44,777 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 21:20:44,778 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 09:20:44" (1/3) ... [2020-08-21 21:20:44,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c31bbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:20:44, skipping insertion in model container [2020-08-21 21:20:44,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 09:20:44" (2/3) ... [2020-08-21 21:20:44,779 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4c31bbc7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 09:20:44, skipping insertion in model container [2020-08-21 21:20:44,779 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 09:20:44" (3/3) ... [2020-08-21 21:20:44,782 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-08-21 21:20:44,795 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 21:20:44,804 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 21:20:44,822 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 21:20:44,862 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 21:20:44,862 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 21:20:44,862 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 21:20:44,863 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 21:20:44,863 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 21:20:44,863 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 21:20:44,863 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 21:20:44,864 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 21:20:44,893 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-21 21:20:44,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-21 21:20:44,902 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:44,903 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:44,904 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:44,911 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:44,911 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-21 21:20:44,923 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:44,923 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [191780973] [2020-08-21 21:20:44,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:45,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:45,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:45,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:20:45,154 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [191780973] [2020-08-21 21:20:45,156 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:20:45,157 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 21:20:45,158 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831000400] [2020-08-21 21:20:45,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 21:20:45,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:45,174 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 21:20:45,175 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:20:45,177 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-21 21:20:45,305 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:45,305 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-21 21:20:45,306 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:20:45,308 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-21 21:20:45,309 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:45,321 INFO L225 Difference]: With dead ends: 44 [2020-08-21 21:20:45,322 INFO L226 Difference]: Without dead ends: 30 [2020-08-21 21:20:45,326 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:20:45,349 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-21 21:20:45,380 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-21 21:20:45,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 21:20:45,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 21:20:45,386 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-21 21:20:45,387 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:45,387 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 21:20:45,387 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 21:20:45,387 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 21:20:45,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-21 21:20:45,389 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:45,390 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:45,390 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 21:20:45,391 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:45,392 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:45,393 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-21 21:20:45,393 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:45,393 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [470466690] [2020-08-21 21:20:45,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:45,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,477 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 21:20:45,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [470466690] [2020-08-21 21:20:45,480 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 21:20:45,480 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 21:20:45,481 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [304235423] [2020-08-21 21:20:45,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 21:20:45,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:45,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 21:20:45,488 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 21:20:45,488 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-21 21:20:45,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:45,571 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-21 21:20:45,572 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 21:20:45,572 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-21 21:20:45,573 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:45,574 INFO L225 Difference]: With dead ends: 36 [2020-08-21 21:20:45,575 INFO L226 Difference]: Without dead ends: 32 [2020-08-21 21:20:45,576 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:20:45,577 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-21 21:20:45,584 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-21 21:20:45,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 21:20:45,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 21:20:45,586 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-21 21:20:45,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:45,587 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 21:20:45,587 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 21:20:45,588 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 21:20:45,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-21 21:20:45,589 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:45,590 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:45,590 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 21:20:45,591 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:45,591 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:45,591 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-21 21:20:45,592 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:45,592 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1070015396] [2020-08-21 21:20:45,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:45,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:45,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:20:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,779 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:20:45,780 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1070015396] [2020-08-21 21:20:45,780 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:45,780 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 21:20:45,780 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2139581886] [2020-08-21 21:20:45,781 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:20:45,781 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:45,781 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:20:45,782 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:20:45,782 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-21 21:20:45,874 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:45,875 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-21 21:20:45,875 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 21:20:45,876 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-21 21:20:45,876 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:45,877 INFO L225 Difference]: With dead ends: 58 [2020-08-21 21:20:45,878 INFO L226 Difference]: Without dead ends: 34 [2020-08-21 21:20:45,879 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:20:45,880 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-21 21:20:45,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-21 21:20:45,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-21 21:20:45,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-21 21:20:45,890 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-21 21:20:45,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:45,891 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-21 21:20:45,891 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:20:45,891 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-21 21:20:45,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 21:20:45,893 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:45,893 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:45,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 21:20:45,894 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:45,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:45,895 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-21 21:20:45,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:45,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [866234868] [2020-08-21 21:20:45,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:45,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:45,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:45,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:45,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:45,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:45,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,004 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 21:20:46,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [866234868] [2020-08-21 21:20:46,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:46,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 21:20:46,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2143704757] [2020-08-21 21:20:46,007 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 21:20:46,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:46,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 21:20:46,008 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:20:46,008 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-21 21:20:46,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:46,189 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-21 21:20:46,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:20:46,189 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-21 21:20:46,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:46,193 INFO L225 Difference]: With dead ends: 54 [2020-08-21 21:20:46,193 INFO L226 Difference]: Without dead ends: 50 [2020-08-21 21:20:46,194 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 21:20:46,195 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-21 21:20:46,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-21 21:20:46,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-21 21:20:46,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-21 21:20:46,219 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-21 21:20:46,220 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:46,221 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-21 21:20:46,222 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 21:20:46,222 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-21 21:20:46,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-21 21:20:46,226 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:46,227 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:46,227 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 21:20:46,228 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:46,228 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:46,228 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-21 21:20:46,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:46,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [892618014] [2020-08-21 21:20:46,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:46,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:46,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:46,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 21:20:46,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 21:20:46,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,366 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 21:20:46,366 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [892618014] [2020-08-21 21:20:46,366 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:46,367 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 21:20:46,367 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340347561] [2020-08-21 21:20:46,368 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 21:20:46,368 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:46,368 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 21:20:46,368 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 21:20:46,369 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-21 21:20:46,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:46,443 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-21 21:20:46,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 21:20:46,443 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-21 21:20:46,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:46,445 INFO L225 Difference]: With dead ends: 94 [2020-08-21 21:20:46,446 INFO L226 Difference]: Without dead ends: 52 [2020-08-21 21:20:46,447 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 21:20:46,448 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-21 21:20:46,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-21 21:20:46,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-21 21:20:46,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-21 21:20:46,459 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-21 21:20:46,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:46,459 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-21 21:20:46,459 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 21:20:46,459 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-21 21:20:46,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 21:20:46,461 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:46,462 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:46,462 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 21:20:46,462 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:46,462 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:46,463 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-21 21:20:46,463 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:46,463 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [363970679] [2020-08-21 21:20:46,463 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:46,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:46,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:46,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:46,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:46,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:46,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:46,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,635 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 21:20:46,635 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [363970679] [2020-08-21 21:20:46,635 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:46,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 21:20:46,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [700419594] [2020-08-21 21:20:46,636 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:20:46,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:46,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:20:46,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:20:46,637 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-21 21:20:46,737 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:46,738 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-21 21:20:46,738 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 21:20:46,738 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-21 21:20:46,739 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:46,740 INFO L225 Difference]: With dead ends: 103 [2020-08-21 21:20:46,740 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 21:20:46,742 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:20:46,742 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 21:20:46,751 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-21 21:20:46,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-21 21:20:46,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-21 21:20:46,754 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-21 21:20:46,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:46,754 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-21 21:20:46,755 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:20:46,755 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-21 21:20:46,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 21:20:46,757 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:46,757 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:46,757 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 21:20:46,758 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:46,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:46,758 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-21 21:20:46,758 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:46,758 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [582055994] [2020-08-21 21:20:46,759 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:46,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:46,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:46,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:46,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:46,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:46,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:46,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:46,863 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 21:20:46,863 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [582055994] [2020-08-21 21:20:46,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:46,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 21:20:46,864 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1132073788] [2020-08-21 21:20:46,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:20:46,865 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:46,865 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:20:46,865 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:20:46,866 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-21 21:20:47,039 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:47,040 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-21 21:20:47,040 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 21:20:47,040 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-21 21:20:47,041 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:47,043 INFO L225 Difference]: With dead ends: 86 [2020-08-21 21:20:47,043 INFO L226 Difference]: Without dead ends: 82 [2020-08-21 21:20:47,044 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:20:47,044 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-21 21:20:47,058 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-21 21:20:47,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-21 21:20:47,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-21 21:20:47,061 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-21 21:20:47,062 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:47,062 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-21 21:20:47,062 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:20:47,062 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-21 21:20:47,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-21 21:20:47,065 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:47,065 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:47,066 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 21:20:47,066 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:47,066 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:47,066 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-21 21:20:47,077 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:47,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2004481988] [2020-08-21 21:20:47,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:47,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:47,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:47,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:47,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 21:20:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,298 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-21 21:20:47,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2004481988] [2020-08-21 21:20:47,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:47,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 21:20:47,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1171827904] [2020-08-21 21:20:47,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 21:20:47,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:47,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 21:20:47,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 21:20:47,301 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-21 21:20:47,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:47,437 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-21 21:20:47,437 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 21:20:47,437 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-21 21:20:47,438 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:47,439 INFO L225 Difference]: With dead ends: 167 [2020-08-21 21:20:47,439 INFO L226 Difference]: Without dead ends: 94 [2020-08-21 21:20:47,441 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:20:47,441 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-21 21:20:47,454 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-21 21:20:47,455 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-21 21:20:47,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-21 21:20:47,456 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-21 21:20:47,457 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:47,457 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-21 21:20:47,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 21:20:47,457 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-21 21:20:47,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 21:20:47,459 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:47,460 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:47,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 21:20:47,460 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:47,460 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:47,460 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-21 21:20:47,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:47,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1759916697] [2020-08-21 21:20:47,461 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:47,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:47,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:47,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:47,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:47,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:47,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,603 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-21 21:20:47,604 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1759916697] [2020-08-21 21:20:47,604 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:47,604 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 21:20:47,604 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [974435042] [2020-08-21 21:20:47,605 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:20:47,605 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:47,605 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:20:47,606 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:20:47,606 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-21 21:20:47,818 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:47,819 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-21 21:20:47,819 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 21:20:47,819 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-21 21:20:47,820 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:47,821 INFO L225 Difference]: With dead ends: 188 [2020-08-21 21:20:47,821 INFO L226 Difference]: Without dead ends: 109 [2020-08-21 21:20:47,822 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:20:47,823 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-21 21:20:47,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-21 21:20:47,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-21 21:20:47,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-21 21:20:47,839 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-21 21:20:47,839 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:47,839 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-21 21:20:47,839 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:20:47,840 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-21 21:20:47,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-21 21:20:47,842 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:47,842 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:47,842 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 21:20:47,842 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:47,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:47,843 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-21 21:20:47,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:47,843 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [210286127] [2020-08-21 21:20:47,844 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:47,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:47,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:47,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:47,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:47,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:47,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:47,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:48,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:48,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:48,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:48,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:48,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,079 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-21 21:20:48,080 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [210286127] [2020-08-21 21:20:48,080 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:48,080 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 21:20:48,080 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1603711426] [2020-08-21 21:20:48,081 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 21:20:48,081 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:48,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 21:20:48,082 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:20:48,082 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-21 21:20:48,481 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:48,481 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-21 21:20:48,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 21:20:48,482 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-21 21:20:48,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:48,484 INFO L225 Difference]: With dead ends: 199 [2020-08-21 21:20:48,484 INFO L226 Difference]: Without dead ends: 86 [2020-08-21 21:20:48,486 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-08-21 21:20:48,486 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-21 21:20:48,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-21 21:20:48,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-21 21:20:48,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-21 21:20:48,496 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-21 21:20:48,496 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:48,496 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-21 21:20:48,497 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 21:20:48,497 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-21 21:20:48,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 21:20:48,498 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:48,498 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:48,499 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 21:20:48,499 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:48,499 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:48,499 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-21 21:20:48,499 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:48,500 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1381003292] [2020-08-21 21:20:48,500 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:48,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:48,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:48,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:48,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:48,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:48,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:48,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:48,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:48,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:48,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 21:20:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:48,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:48,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:48,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:48,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,723 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-21 21:20:48,723 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1381003292] [2020-08-21 21:20:48,723 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:48,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 21:20:48,724 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1199422498] [2020-08-21 21:20:48,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 21:20:48,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:48,725 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 21:20:48,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 21:20:48,726 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-21 21:20:48,913 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:48,914 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-21 21:20:48,914 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 21:20:48,914 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-21 21:20:48,915 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:48,916 INFO L225 Difference]: With dead ends: 142 [2020-08-21 21:20:48,916 INFO L226 Difference]: Without dead ends: 78 [2020-08-21 21:20:48,917 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:20:48,917 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-21 21:20:48,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-21 21:20:48,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-21 21:20:48,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-21 21:20:48,925 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-21 21:20:48,925 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:48,925 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-21 21:20:48,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 21:20:48,926 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-21 21:20:48,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-21 21:20:48,927 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:48,928 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:48,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 21:20:48,928 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:48,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:48,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-21 21:20:48,929 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:48,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1065688916] [2020-08-21 21:20:48,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:48,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:48,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:48,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:48,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:49,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:49,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:49,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 21:20:49,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:49,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 21:20:49,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:49,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:49,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:49,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:49,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 21:20:49,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:49,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:49,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:49,485 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-21 21:20:49,485 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1065688916] [2020-08-21 21:20:49,485 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:49,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 21:20:49,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1478325703] [2020-08-21 21:20:49,489 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 21:20:49,489 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:49,489 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 21:20:49,490 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-21 21:20:49,490 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-21 21:20:50,057 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:50,058 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-21 21:20:50,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-21 21:20:50,058 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-21 21:20:50,059 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:50,060 INFO L225 Difference]: With dead ends: 184 [2020-08-21 21:20:50,061 INFO L226 Difference]: Without dead ends: 111 [2020-08-21 21:20:50,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-21 21:20:50,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-21 21:20:50,071 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-21 21:20:50,072 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 21:20:50,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-21 21:20:50,074 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-21 21:20:50,074 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:50,074 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-21 21:20:50,074 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 21:20:50,075 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-21 21:20:50,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 21:20:50,077 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:50,077 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:50,077 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 21:20:50,077 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:50,077 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:50,078 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-21 21:20:50,078 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:50,078 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1230764292] [2020-08-21 21:20:50,078 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:50,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:50,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:50,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:50,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:50,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:50,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 21:20:50,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:50,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:50,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,351 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-21 21:20:50,352 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1230764292] [2020-08-21 21:20:50,352 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:50,353 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 21:20:50,353 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588035550] [2020-08-21 21:20:50,353 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 21:20:50,354 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:50,354 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 21:20:50,354 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:20:50,355 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-21 21:20:50,685 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:50,687 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-21 21:20:50,687 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 21:20:50,688 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-21 21:20:50,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:50,689 INFO L225 Difference]: With dead ends: 188 [2020-08-21 21:20:50,690 INFO L226 Difference]: Without dead ends: 101 [2020-08-21 21:20:50,692 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 21:20:50,692 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-21 21:20:50,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-21 21:20:50,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-21 21:20:50,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-21 21:20:50,708 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-21 21:20:50,710 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:50,710 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-21 21:20:50,710 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 21:20:50,710 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-21 21:20:50,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 21:20:50,715 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:50,716 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:50,716 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 21:20:50,716 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:50,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:50,717 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-21 21:20:50,717 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:50,721 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1256160156] [2020-08-21 21:20:50,721 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:50,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:50,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:50,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:50,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:50,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:50,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:50,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:50,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:51,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:51,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-21 21:20:51,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:51,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:51,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,162 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-21 21:20:51,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1256160156] [2020-08-21 21:20:51,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:51,163 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 21:20:51,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1321125738] [2020-08-21 21:20:51,163 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 21:20:51,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:51,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 21:20:51,164 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:20:51,164 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-21 21:20:51,750 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:51,750 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-21 21:20:51,751 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 21:20:51,751 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-21 21:20:51,752 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:51,754 INFO L225 Difference]: With dead ends: 224 [2020-08-21 21:20:51,754 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 21:20:51,757 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-21 21:20:51,757 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 21:20:51,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-21 21:20:51,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 21:20:51,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-21 21:20:51,771 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-21 21:20:51,771 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:51,772 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-21 21:20:51,772 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 21:20:51,772 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-21 21:20:51,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 21:20:51,774 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:51,774 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:51,775 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 21:20:51,775 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:51,775 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:51,775 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-21 21:20:51,775 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:51,776 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1419409238] [2020-08-21 21:20:51,776 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:51,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:51,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:51,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:51,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:52,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:52,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:52,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:52,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:20:52,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:52,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:52,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-21 21:20:52,146 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1419409238] [2020-08-21 21:20:52,146 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:52,147 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 21:20:52,147 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [284369095] [2020-08-21 21:20:52,147 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 21:20:52,148 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:52,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 21:20:52,148 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:20:52,148 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-21 21:20:52,430 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:52,430 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-21 21:20:52,431 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 21:20:52,431 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-21 21:20:52,431 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:52,434 INFO L225 Difference]: With dead ends: 244 [2020-08-21 21:20:52,434 INFO L226 Difference]: Without dead ends: 240 [2020-08-21 21:20:52,437 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-21 21:20:52,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-21 21:20:52,457 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-21 21:20:52,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-21 21:20:52,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-21 21:20:52,461 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-21 21:20:52,462 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:52,462 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-21 21:20:52,462 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 21:20:52,462 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-21 21:20:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-21 21:20:52,467 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:52,467 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:52,467 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-21 21:20:52,467 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:52,468 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:52,468 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-21 21:20:52,468 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:52,468 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [928038614] [2020-08-21 21:20:52,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:52,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:52,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:52,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:52,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 21:20:52,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:52,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-21 21:20:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:52,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:52,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:52,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 21:20:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:52,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:52,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:52,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,080 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-08-21 21:20:53,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [928038614] [2020-08-21 21:20:53,083 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:53,083 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 21:20:53,084 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1537021320] [2020-08-21 21:20:53,084 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 21:20:53,085 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:53,085 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 21:20:53,085 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 21:20:53,085 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-21 21:20:53,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:53,315 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-21 21:20:53,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 21:20:53,315 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-21 21:20:53,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:53,318 INFO L225 Difference]: With dead ends: 429 [2020-08-21 21:20:53,318 INFO L226 Difference]: Without dead ends: 225 [2020-08-21 21:20:53,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 21:20:53,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-21 21:20:53,338 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-21 21:20:53,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-21 21:20:53,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-21 21:20:53,342 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-21 21:20:53,342 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:53,342 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-21 21:20:53,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 21:20:53,342 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-21 21:20:53,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-21 21:20:53,347 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:53,347 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:53,348 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-21 21:20:53,348 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:53,348 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:53,348 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-21 21:20:53,348 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:53,349 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [912884803] [2020-08-21 21:20:53,349 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:53,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:53,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:53,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:53,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:53,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:53,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:53,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:53,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:20:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:20:53,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:53,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:53,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:54,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:54,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:54,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:54,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:54,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:54,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:54,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:54,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:54,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:54,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:54,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,234 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-21 21:20:54,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [912884803] [2020-08-21 21:20:54,235 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:54,235 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 21:20:54,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221596238] [2020-08-21 21:20:54,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 21:20:54,237 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:54,237 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 21:20:54,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-21 21:20:54,238 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-21 21:20:54,620 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:54,620 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-21 21:20:54,621 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 21:20:54,621 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-21 21:20:54,622 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:54,630 INFO L225 Difference]: With dead ends: 469 [2020-08-21 21:20:54,630 INFO L226 Difference]: Without dead ends: 465 [2020-08-21 21:20:54,632 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-21 21:20:54,633 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-21 21:20:54,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-21 21:20:54,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-21 21:20:54,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-21 21:20:54,669 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-21 21:20:54,669 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:54,670 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-21 21:20:54,670 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 21:20:54,670 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-21 21:20:54,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-21 21:20:54,677 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:54,677 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 22, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:54,677 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-21 21:20:54,677 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:54,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:54,678 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-21 21:20:54,678 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:54,678 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [665613599] [2020-08-21 21:20:54,678 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:54,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:54,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:54,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:54,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:54,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:55,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:55,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:55,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:20:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:55,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-21 21:20:55,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:55,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:55,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:55,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-21 21:20:55,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:55,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:55,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:55,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:55,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:55,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:55,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:55,564 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-08-21 21:20:55,564 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [665613599] [2020-08-21 21:20:55,564 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:55,564 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 21:20:55,565 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1177304017] [2020-08-21 21:20:55,565 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 21:20:55,566 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:55,566 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 21:20:55,566 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:20:55,566 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-21 21:20:56,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:56,049 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-21 21:20:56,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 21:20:56,050 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-21 21:20:56,050 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:56,057 INFO L225 Difference]: With dead ends: 924 [2020-08-21 21:20:56,057 INFO L226 Difference]: Without dead ends: 493 [2020-08-21 21:20:56,062 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-21 21:20:56,063 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-21 21:20:56,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-21 21:20:56,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-21 21:20:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-21 21:20:56,095 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-21 21:20:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:56,096 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-21 21:20:56,096 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 21:20:56,096 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-21 21:20:56,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-21 21:20:56,111 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:56,111 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 40, 40, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 13, 13, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:56,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-21 21:20:56,111 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:56,112 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:56,112 INFO L82 PathProgramCache]: Analyzing trace with hash -1718075054, now seen corresponding path program 7 times [2020-08-21 21:20:56,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:56,113 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1853801856] [2020-08-21 21:20:56,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:56,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:56,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:56,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:56,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:56,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:56,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:56,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:56,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:56,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:56,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:56,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:56,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:56,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:56,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:57,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:57,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:20:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:57,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:20:57,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:57,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:57,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:20:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:57,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 21:20:57,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:57,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:20:57,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:20:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:20:57,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:20:57,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:57,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:20:57,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:57,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:20:57,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:58,383 INFO L134 CoverageAnalysis]: Checked inductivity of 9421 backedges. 593 proven. 1863 refuted. 0 times theorem prover too weak. 6965 trivial. 0 not checked. [2020-08-21 21:20:58,384 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1853801856] [2020-08-21 21:20:58,384 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:20:58,384 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 21:20:58,385 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1887136764] [2020-08-21 21:20:58,386 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 21:20:58,386 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:20:58,386 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 21:20:58,387 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 21:20:58,387 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 18 states. [2020-08-21 21:20:59,489 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:20:59,489 INFO L93 Difference]: Finished difference Result 836 states and 1442 transitions. [2020-08-21 21:20:59,490 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-21 21:20:59,490 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-08-21 21:20:59,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:20:59,504 INFO L225 Difference]: With dead ends: 836 [2020-08-21 21:20:59,504 INFO L226 Difference]: Without dead ends: 395 [2020-08-21 21:20:59,513 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-08-21 21:20:59,514 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-08-21 21:20:59,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 327. [2020-08-21 21:20:59,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-08-21 21:20:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 502 transitions. [2020-08-21 21:20:59,551 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 502 transitions. Word has length 572 [2020-08-21 21:20:59,552 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:20:59,552 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 502 transitions. [2020-08-21 21:20:59,552 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 21:20:59,553 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 502 transitions. [2020-08-21 21:20:59,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-21 21:20:59,558 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:20:59,559 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 24, 24, 21, 20, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 9, 7, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:20:59,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-21 21:20:59,560 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:20:59,560 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:20:59,560 INFO L82 PathProgramCache]: Analyzing trace with hash 1572493120, now seen corresponding path program 8 times [2020-08-21 21:20:59,561 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:20:59,561 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [64283727] [2020-08-21 21:20:59,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:20:59,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:59,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:20:59,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:59,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:20:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:59,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:59,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:59,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:59,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:59,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:59,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:20:59,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:20:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:00,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:00,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:00,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:00,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:00,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:00,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:00,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 21:21:00,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:00,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:00,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:00,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:00,769 INFO L134 CoverageAnalysis]: Checked inductivity of 3484 backedges. 422 proven. 756 refuted. 0 times theorem prover too weak. 2306 trivial. 0 not checked. [2020-08-21 21:21:00,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [64283727] [2020-08-21 21:21:00,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:21:00,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 21:21:00,770 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1305831658] [2020-08-21 21:21:00,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 21:21:00,771 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:21:00,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 21:21:00,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-21 21:21:00,772 INFO L87 Difference]: Start difference. First operand 327 states and 502 transitions. Second operand 16 states. [2020-08-21 21:21:01,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:21:01,610 INFO L93 Difference]: Finished difference Result 720 states and 1202 transitions. [2020-08-21 21:21:01,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-21 21:21:01,610 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 354 [2020-08-21 21:21:01,611 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:21:01,617 INFO L225 Difference]: With dead ends: 720 [2020-08-21 21:21:01,618 INFO L226 Difference]: Without dead ends: 415 [2020-08-21 21:21:01,622 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-21 21:21:01,623 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-08-21 21:21:01,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 375. [2020-08-21 21:21:01,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-21 21:21:01,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 561 transitions. [2020-08-21 21:21:01,655 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 561 transitions. Word has length 354 [2020-08-21 21:21:01,656 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:21:01,656 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 561 transitions. [2020-08-21 21:21:01,656 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 21:21:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 561 transitions. [2020-08-21 21:21:01,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-08-21 21:21:01,661 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:21:01,662 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 23, 23, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:21:01,662 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-21 21:21:01,662 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:21:01,662 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:21:01,663 INFO L82 PathProgramCache]: Analyzing trace with hash 634662915, now seen corresponding path program 9 times [2020-08-21 21:21:01,663 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:21:01,663 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [293322813] [2020-08-21 21:21:01,664 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:21:01,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:01,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:21:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:01,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:21:01,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:02,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:02,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:02,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:02,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:02,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:02,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:02,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:02,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:02,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 21:21:02,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:02,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:02,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:02,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:02,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:02,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:02,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:02,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:03,181 INFO L134 CoverageAnalysis]: Checked inductivity of 4370 backedges. 694 proven. 802 refuted. 0 times theorem prover too weak. 2874 trivial. 0 not checked. [2020-08-21 21:21:03,181 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [293322813] [2020-08-21 21:21:03,181 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:21:03,182 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 21:21:03,182 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1100679003] [2020-08-21 21:21:03,183 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 21:21:03,183 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:21:03,184 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 21:21:03,184 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 21:21:03,185 INFO L87 Difference]: Start difference. First operand 375 states and 561 transitions. Second operand 18 states. [2020-08-21 21:21:04,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:21:04,158 INFO L93 Difference]: Finished difference Result 816 states and 1328 transitions. [2020-08-21 21:21:04,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-21 21:21:04,159 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 395 [2020-08-21 21:21:04,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:21:04,171 INFO L225 Difference]: With dead ends: 816 [2020-08-21 21:21:04,171 INFO L226 Difference]: Without dead ends: 463 [2020-08-21 21:21:04,178 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 21:21:04,179 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-08-21 21:21:04,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 399. [2020-08-21 21:21:04,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-08-21 21:21:04,232 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 606 transitions. [2020-08-21 21:21:04,233 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 606 transitions. Word has length 395 [2020-08-21 21:21:04,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:21:04,235 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 606 transitions. [2020-08-21 21:21:04,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 21:21:04,236 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 606 transitions. [2020-08-21 21:21:04,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-21 21:21:04,243 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:21:04,244 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:21:04,244 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-21 21:21:04,244 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:21:04,245 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:21:04,245 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 10 times [2020-08-21 21:21:04,245 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:21:04,246 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2106592090] [2020-08-21 21:21:04,246 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:21:04,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:04,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:21:04,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:04,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:21:04,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:04,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:04,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:04,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:04,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:04,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:04,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:04,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:04,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:04,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:04,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:04,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:04,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:05,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:05,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:05,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:05,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:05,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:05,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:05,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:05,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:05,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:05,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 21:21:05,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:05,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:05,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:05,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:05,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:05,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:05,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:05,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:05,979 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-08-21 21:21:05,982 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2106592090] [2020-08-21 21:21:05,982 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:21:05,983 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-21 21:21:05,983 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [594114333] [2020-08-21 21:21:05,984 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-21 21:21:05,984 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:21:05,984 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-21 21:21:05,984 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-21 21:21:05,985 INFO L87 Difference]: Start difference. First operand 399 states and 606 transitions. Second operand 22 states. [2020-08-21 21:21:07,055 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:21:07,065 INFO L93 Difference]: Finished difference Result 886 states and 1553 transitions. [2020-08-21 21:21:07,066 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-21 21:21:07,066 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-21 21:21:07,067 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:21:07,076 INFO L225 Difference]: With dead ends: 886 [2020-08-21 21:21:07,077 INFO L226 Difference]: Without dead ends: 509 [2020-08-21 21:21:07,088 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-21 21:21:07,089 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-08-21 21:21:07,136 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 475. [2020-08-21 21:21:07,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-08-21 21:21:07,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 773 transitions. [2020-08-21 21:21:07,142 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 773 transitions. Word has length 436 [2020-08-21 21:21:07,142 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:21:07,142 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 773 transitions. [2020-08-21 21:21:07,143 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-21 21:21:07,143 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 773 transitions. [2020-08-21 21:21:07,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-08-21 21:21:07,148 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:21:07,148 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 35, 35, 30, 29, 19, 19, 19, 19, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 13, 10, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:21:07,148 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-21 21:21:07,149 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:21:07,149 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:21:07,149 INFO L82 PathProgramCache]: Analyzing trace with hash -1638954211, now seen corresponding path program 11 times [2020-08-21 21:21:07,149 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:21:07,156 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [839833163] [2020-08-21 21:21:07,157 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:21:07,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:21:07,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:21:07,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:07,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:07,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:07,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:07,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:07,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:07,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:07,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:07,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:07,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:07,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:07,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:07,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:07,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:07,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:07,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 21:21:08,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:08,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:08,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:08,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:08,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:08,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:08,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:08,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:08,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:08,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:08,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:08,783 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 1340 proven. 1409 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2020-08-21 21:21:08,784 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [839833163] [2020-08-21 21:21:08,784 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:21:08,784 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-21 21:21:08,785 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [373225580] [2020-08-21 21:21:08,786 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-21 21:21:08,786 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:21:08,786 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-21 21:21:08,786 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-08-21 21:21:08,786 INFO L87 Difference]: Start difference. First operand 475 states and 773 transitions. Second operand 24 states. [2020-08-21 21:21:10,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:21:10,263 INFO L93 Difference]: Finished difference Result 761 states and 1315 transitions. [2020-08-21 21:21:10,263 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-08-21 21:21:10,263 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 504 [2020-08-21 21:21:10,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:21:10,270 INFO L225 Difference]: With dead ends: 761 [2020-08-21 21:21:10,270 INFO L226 Difference]: Without dead ends: 307 [2020-08-21 21:21:10,276 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1052 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=515, Invalid=3145, Unknown=0, NotChecked=0, Total=3660 [2020-08-21 21:21:10,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-08-21 21:21:10,294 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-08-21 21:21:10,294 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-08-21 21:21:10,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 383 transitions. [2020-08-21 21:21:10,297 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 383 transitions. Word has length 504 [2020-08-21 21:21:10,298 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:21:10,298 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 383 transitions. [2020-08-21 21:21:10,298 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-21 21:21:10,298 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 383 transitions. [2020-08-21 21:21:10,327 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2020-08-21 21:21:10,327 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:21:10,328 INFO L422 BasicCegarLoop]: trace histogram [126, 126, 119, 119, 99, 99, 63, 63, 63, 63, 63, 63, 63, 59, 59, 59, 59, 59, 59, 59, 40, 36, 27, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:21:10,328 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-21 21:21:10,329 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:21:10,329 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:21:10,330 INFO L82 PathProgramCache]: Analyzing trace with hash 427401527, now seen corresponding path program 12 times [2020-08-21 21:21:10,330 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:21:10,330 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [728293495] [2020-08-21 21:21:10,330 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:21:10,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:12,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:21:12,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:12,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:21:12,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:12,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:13,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:13,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:13,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:13,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:13,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:13,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:13,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:13,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:13,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:13,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:13,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:13,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:13,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:13,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:13,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:13,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:13,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 21:21:13,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:13,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:13,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:14,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:14,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:14,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:14,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:14,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:14,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 21:21:14,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:14,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:14,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:14,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:14,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 21:21:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:14,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:14,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:14,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:14,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:14,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:14,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2020-08-21 21:21:15,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:15,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:15,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:15,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:15,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:15,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:15,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:15,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:15,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:15,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:15,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:15,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:15,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:15,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:15,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 21:21:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:16,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:16,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:16,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-21 21:21:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:16,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:16,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:16,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:16,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:16,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 21:21:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:16,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:16,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:16,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:16,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:18,750 INFO L134 CoverageAnalysis]: Checked inductivity of 83942 backedges. 2248 proven. 10082 refuted. 0 times theorem prover too weak. 71612 trivial. 0 not checked. [2020-08-21 21:21:18,750 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [728293495] [2020-08-21 21:21:18,751 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:21:18,751 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-21 21:21:18,751 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270551462] [2020-08-21 21:21:18,752 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-21 21:21:18,752 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:21:18,753 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-21 21:21:18,753 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2020-08-21 21:21:18,753 INFO L87 Difference]: Start difference. First operand 262 states and 383 transitions. Second operand 21 states. [2020-08-21 21:21:20,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:21:20,078 INFO L93 Difference]: Finished difference Result 516 states and 867 transitions. [2020-08-21 21:21:20,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-08-21 21:21:20,079 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1675 [2020-08-21 21:21:20,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:21:20,083 INFO L225 Difference]: With dead ends: 516 [2020-08-21 21:21:20,083 INFO L226 Difference]: Without dead ends: 266 [2020-08-21 21:21:20,087 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=2305, Unknown=0, NotChecked=0, Total=2652 [2020-08-21 21:21:20,087 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-08-21 21:21:20,101 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 241. [2020-08-21 21:21:20,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-08-21 21:21:20,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 352 transitions. [2020-08-21 21:21:20,104 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 352 transitions. Word has length 1675 [2020-08-21 21:21:20,104 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:21:20,104 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 352 transitions. [2020-08-21 21:21:20,104 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-21 21:21:20,105 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 352 transitions. [2020-08-21 21:21:20,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-21 21:21:20,111 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:21:20,112 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:21:20,113 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-21 21:21:20,114 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:21:20,115 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:21:20,115 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 13 times [2020-08-21 21:21:20,115 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:21:20,115 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1489275376] [2020-08-21 21:21:20,116 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:21:20,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:20,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:21:20,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:20,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:21:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:20,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:20,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:20,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:21,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:21,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:21,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:21,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:21,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:21,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 21:21:21,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:21,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:21,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:21,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 21:21:21,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:21,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:21,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:21,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:21,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:21,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:21,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:22,325 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-21 21:21:22,325 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1489275376] [2020-08-21 21:21:22,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:21:22,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 21:21:22,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1210503808] [2020-08-21 21:21:22,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 21:21:22,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:21:22,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 21:21:22,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-21 21:21:22,328 INFO L87 Difference]: Start difference. First operand 241 states and 352 transitions. Second operand 14 states. [2020-08-21 21:21:22,756 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 21:21:22,756 INFO L93 Difference]: Finished difference Result 686 states and 1079 transitions. [2020-08-21 21:21:22,757 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 21:21:22,757 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-21 21:21:22,760 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 21:21:22,771 INFO L225 Difference]: With dead ends: 686 [2020-08-21 21:21:22,772 INFO L226 Difference]: Without dead ends: 682 [2020-08-21 21:21:22,773 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-21 21:21:22,774 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-08-21 21:21:22,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 648. [2020-08-21 21:21:22,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-08-21 21:21:22,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1012 transitions. [2020-08-21 21:21:22,818 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1012 transitions. Word has length 749 [2020-08-21 21:21:22,818 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 21:21:22,818 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 1012 transitions. [2020-08-21 21:21:22,818 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 21:21:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1012 transitions. [2020-08-21 21:21:22,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1962 [2020-08-21 21:21:22,851 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 21:21:22,853 INFO L422 BasicCegarLoop]: trace histogram [145, 145, 142, 142, 117, 115, 72, 72, 72, 72, 72, 72, 72, 71, 71, 71, 71, 71, 71, 71, 46, 43, 28, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 21:21:22,853 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-21 21:21:22,853 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 21:21:22,853 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 21:21:22,854 INFO L82 PathProgramCache]: Analyzing trace with hash -88736994, now seen corresponding path program 14 times [2020-08-21 21:21:22,854 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 21:21:22,854 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1041917895] [2020-08-21 21:21:22,854 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 21:21:23,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:24,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 21:21:24,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:24,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 21:21:24,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:25,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:25,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:25,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:25,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:25,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:25,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:25,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:25,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:26,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:26,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:26,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 21:21:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:26,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:26,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:26,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:26,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 21:21:26,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:26,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:26,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:26,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:26,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:26,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:26,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:26,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:26,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:26,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:26,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 21:21:27,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:27,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:27,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:27,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:27,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:27,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:27,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:27,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:27,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:27,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:27,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:28,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:28,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:28,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:28,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:28,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:28,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 21:21:28,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:28,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:28,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:28,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:28,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 21:21:28,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:28,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:28,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:28,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:28,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:28,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:28,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:28,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:28,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 21:21:28,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:29,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:29,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:29,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:29,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:29,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:29,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:29,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-08-21 21:21:29,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:29,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:29,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:29,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:29,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 21:21:29,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:29,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:29,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 21:21:29,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:29,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 21:21:29,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 21:21:29,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 21:21:29,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 21:21:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:29,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 21:21:29,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 21:21:33,045 INFO L134 CoverageAnalysis]: Checked inductivity of 115309 backedges. 7486 proven. 11970 refuted. 0 times theorem prover too weak. 95853 trivial. 0 not checked. [2020-08-21 21:21:33,045 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1041917895] [2020-08-21 21:21:33,046 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 21:21:33,046 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-08-21 21:21:33,046 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1273550304] [2020-08-21 21:21:33,050 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-08-21 21:21:33,050 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 21:21:33,051 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-08-21 21:21:33,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=914, Unknown=0, NotChecked=0, Total=1056 [2020-08-21 21:21:33,052 INFO L87 Difference]: Start difference. First operand 648 states and 1012 transitions. Second operand 33 states.