/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.2 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive/recHanoi01.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 04:20:59,653 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 04:20:59,657 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 04:20:59,698 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 04:20:59,699 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 04:20:59,700 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 04:20:59,701 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 04:20:59,703 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 04:20:59,705 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 04:20:59,706 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 04:20:59,707 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 04:20:59,708 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 04:20:59,708 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 04:20:59,709 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 04:20:59,710 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 04:20:59,712 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 04:20:59,713 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 04:20:59,714 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 04:20:59,715 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 04:20:59,717 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 04:20:59,719 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 04:20:59,720 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 04:20:59,721 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 04:20:59,724 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 04:20:59,727 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 04:20:59,727 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 04:20:59,727 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 04:20:59,728 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 04:20:59,729 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 04:20:59,730 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 04:20:59,730 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 04:20:59,731 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 04:20:59,732 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 04:20:59,732 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 04:20:59,733 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 04:20:59,734 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 04:20:59,734 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 04:20:59,735 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 04:20:59,735 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 04:20:59,736 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 04:20:59,736 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 04:20:59,737 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 [2020-08-19 04:20:59,759 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 04:20:59,759 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 04:20:59,760 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 04:20:59,761 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 04:20:59,761 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 04:20:59,761 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 04:20:59,761 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 04:20:59,762 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 04:20:59,762 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 04:20:59,762 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 04:20:59,762 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 04:20:59,762 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 04:20:59,763 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 04:20:59,763 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 04:20:59,763 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 04:20:59,763 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 04:20:59,763 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 04:20:59,764 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 04:20:59,764 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 04:20:59,764 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 04:20:59,764 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 04:20:59,764 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 04:20:59,765 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 04:20:59,765 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 04:20:59,765 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 04:20:59,765 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 04:20:59,765 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 04:20:59,766 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 04:20:59,766 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 04:20:59,766 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.2; [2020-08-19 04:21:00,105 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 04:21:00,119 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 04:21:00,123 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 04:21:00,125 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 04:21:00,126 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 04:21:00,127 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-19 04:21:00,208 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/298cc6a06/7b1e1f6489d84006850a252403b92c4e/FLAG14cba08e3 [2020-08-19 04:21:00,697 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 04:21:00,697 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive/recHanoi01.c [2020-08-19 04:21:00,705 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/298cc6a06/7b1e1f6489d84006850a252403b92c4e/FLAG14cba08e3 [2020-08-19 04:21:01,059 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/298cc6a06/7b1e1f6489d84006850a252403b92c4e [2020-08-19 04:21:01,068 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 04:21:01,070 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 04:21:01,072 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 04:21:01,072 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 04:21:01,076 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 04:21:01,077 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:21:01" (1/1) ... [2020-08-19 04:21:01,081 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@5cb7919e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01, skipping insertion in model container [2020-08-19 04:21:01,081 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:21:01" (1/1) ... [2020-08-19 04:21:01,089 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 04:21:01,111 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 04:21:01,285 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:21:01,290 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 04:21:01,309 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:21:01,323 INFO L208 MainTranslator]: Completed translation [2020-08-19 04:21:01,324 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01 WrapperNode [2020-08-19 04:21:01,324 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 04:21:01,325 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 04:21:01,325 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 04:21:01,325 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 04:21:01,339 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01" (1/1) ... [2020-08-19 04:21:01,339 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01" (1/1) ... [2020-08-19 04:21:01,345 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01" (1/1) ... [2020-08-19 04:21:01,345 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01" (1/1) ... [2020-08-19 04:21:01,350 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01" (1/1) ... [2020-08-19 04:21:01,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01" (1/1) ... [2020-08-19 04:21:01,353 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01" (1/1) ... [2020-08-19 04:21:01,355 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 04:21:01,355 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 04:21:01,355 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 04:21:01,356 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 04:21:01,356 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01" (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 [2020-08-19 04:21:01,508 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 04:21:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 04:21:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure hanoi [2020-08-19 04:21:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure applyHanoi [2020-08-19 04:21:01,509 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 04:21:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 04:21:01,509 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 04:21:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure hanoi [2020-08-19 04:21:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure applyHanoi [2020-08-19 04:21:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 04:21:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 04:21:01,510 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 04:21:01,720 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 04:21:01,720 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 04:21:01,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:21:01 BoogieIcfgContainer [2020-08-19 04:21:01,728 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 04:21:01,732 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 04:21:01,732 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 04:21:01,741 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 04:21:01,741 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 04:21:01" (1/3) ... [2020-08-19 04:21:01,742 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4346fdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:21:01, skipping insertion in model container [2020-08-19 04:21:01,742 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:01" (2/3) ... [2020-08-19 04:21:01,743 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4346fdb8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:21:01, skipping insertion in model container [2020-08-19 04:21:01,743 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:21:01" (3/3) ... [2020-08-19 04:21:01,748 INFO L109 eAbstractionObserver]: Analyzing ICFG recHanoi01.c [2020-08-19 04:21:01,784 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 04:21:01,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 04:21:01,826 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 04:21:01,871 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 04:21:01,871 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 04:21:01,871 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 04:21:01,872 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 04:21:01,872 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 04:21:01,872 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 04:21:01,872 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 04:21:01,872 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 04:21:01,888 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states. [2020-08-19 04:21:01,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2020-08-19 04:21:01,896 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:01,897 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:01,897 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:01,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:01,903 INFO L82 PathProgramCache]: Analyzing trace with hash -629617454, now seen corresponding path program 1 times [2020-08-19 04:21:01,912 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:01,913 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [632701678] [2020-08-19 04:21:01,913 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:02,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:02,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:02,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 12 [2020-08-19 04:21:02,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,165 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 04:21:02,166 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [632701678] [2020-08-19 04:21:02,172 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:21:02,173 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2020-08-19 04:21:02,177 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012441057] [2020-08-19 04:21:02,186 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 04:21:02,186 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:02,197 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 04:21:02,198 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2020-08-19 04:21:02,199 INFO L87 Difference]: Start difference. First operand 29 states. Second operand 6 states. [2020-08-19 04:21:02,393 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:02,394 INFO L93 Difference]: Finished difference Result 48 states and 58 transitions. [2020-08-19 04:21:02,395 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 04:21:02,397 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 20 [2020-08-19 04:21:02,397 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:02,409 INFO L225 Difference]: With dead ends: 48 [2020-08-19 04:21:02,409 INFO L226 Difference]: Without dead ends: 27 [2020-08-19 04:21:02,414 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 12 GetRequests, 6 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:21:02,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27 states. [2020-08-19 04:21:02,465 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27 to 27. [2020-08-19 04:21:02,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 27 states. [2020-08-19 04:21:02,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 27 states and 32 transitions. [2020-08-19 04:21:02,470 INFO L78 Accepts]: Start accepts. Automaton has 27 states and 32 transitions. Word has length 20 [2020-08-19 04:21:02,471 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:02,471 INFO L479 AbstractCegarLoop]: Abstraction has 27 states and 32 transitions. [2020-08-19 04:21:02,471 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 04:21:02,471 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 32 transitions. [2020-08-19 04:21:02,474 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2020-08-19 04:21:02,474 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:02,475 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:02,475 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 04:21:02,475 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:02,476 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:02,476 INFO L82 PathProgramCache]: Analyzing trace with hash 223523063, now seen corresponding path program 1 times [2020-08-19 04:21:02,476 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:02,477 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1907244019] [2020-08-19 04:21:02,477 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:02,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:02,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:02,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:02,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:21:02,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:02,802 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2020-08-19 04:21:02,802 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1907244019] [2020-08-19 04:21:02,803 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:02,803 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 04:21:02,803 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1675658594] [2020-08-19 04:21:02,805 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 04:21:02,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:02,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 04:21:02,806 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=19, Invalid=71, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:21:02,807 INFO L87 Difference]: Start difference. First operand 27 states and 32 transitions. Second operand 10 states. [2020-08-19 04:21:03,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:03,221 INFO L93 Difference]: Finished difference Result 61 states and 78 transitions. [2020-08-19 04:21:03,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 04:21:03,222 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 30 [2020-08-19 04:21:03,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:03,224 INFO L225 Difference]: With dead ends: 61 [2020-08-19 04:21:03,225 INFO L226 Difference]: Without dead ends: 55 [2020-08-19 04:21:03,227 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 29 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=59, Invalid=213, Unknown=0, NotChecked=0, Total=272 [2020-08-19 04:21:03,227 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-19 04:21:03,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 49. [2020-08-19 04:21:03,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 49 states. [2020-08-19 04:21:03,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 49 states to 49 states and 66 transitions. [2020-08-19 04:21:03,245 INFO L78 Accepts]: Start accepts. Automaton has 49 states and 66 transitions. Word has length 30 [2020-08-19 04:21:03,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:03,246 INFO L479 AbstractCegarLoop]: Abstraction has 49 states and 66 transitions. [2020-08-19 04:21:03,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 04:21:03,246 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 66 transitions. [2020-08-19 04:21:03,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-19 04:21:03,249 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:03,249 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:03,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 04:21:03,249 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:03,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:03,250 INFO L82 PathProgramCache]: Analyzing trace with hash 640231516, now seen corresponding path program 2 times [2020-08-19 04:21:03,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:03,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [700208829] [2020-08-19 04:21:03,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:03,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:03,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:03,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:03,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:03,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:03,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 04:21:03,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,454 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 14 proven. 12 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-19 04:21:03,454 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [700208829] [2020-08-19 04:21:03,454 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:03,455 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 04:21:03,455 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517550018] [2020-08-19 04:21:03,456 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 04:21:03,456 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:03,456 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 04:21:03,456 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-19 04:21:03,457 INFO L87 Difference]: Start difference. First operand 49 states and 66 transitions. Second operand 7 states. [2020-08-19 04:21:03,629 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:03,629 INFO L93 Difference]: Finished difference Result 77 states and 111 transitions. [2020-08-19 04:21:03,630 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 04:21:03,630 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 40 [2020-08-19 04:21:03,631 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:03,632 INFO L225 Difference]: With dead ends: 77 [2020-08-19 04:21:03,633 INFO L226 Difference]: Without dead ends: 55 [2020-08-19 04:21:03,634 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 18 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=37, Invalid=95, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:21:03,634 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-19 04:21:03,647 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 53. [2020-08-19 04:21:03,647 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 53 states. [2020-08-19 04:21:03,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 53 states and 66 transitions. [2020-08-19 04:21:03,650 INFO L78 Accepts]: Start accepts. Automaton has 53 states and 66 transitions. Word has length 40 [2020-08-19 04:21:03,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:03,650 INFO L479 AbstractCegarLoop]: Abstraction has 53 states and 66 transitions. [2020-08-19 04:21:03,650 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 04:21:03,651 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 66 transitions. [2020-08-19 04:21:03,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2020-08-19 04:21:03,652 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:03,653 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:03,653 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 04:21:03,653 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:03,654 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:03,654 INFO L82 PathProgramCache]: Analyzing trace with hash 1772916587, now seen corresponding path program 1 times [2020-08-19 04:21:03,654 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:03,654 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [127361423] [2020-08-19 04:21:03,655 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:03,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:03,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:03,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:21:03,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:03,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:03,884 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 2 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-19 04:21:03,885 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [127361423] [2020-08-19 04:21:03,885 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:03,885 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 04:21:03,887 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [770809228] [2020-08-19 04:21:03,887 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 04:21:03,888 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:03,890 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 04:21:03,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:21:03,891 INFO L87 Difference]: Start difference. First operand 53 states and 66 transitions. Second operand 10 states. [2020-08-19 04:21:04,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:04,179 INFO L93 Difference]: Finished difference Result 66 states and 83 transitions. [2020-08-19 04:21:04,180 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-19 04:21:04,180 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 36 [2020-08-19 04:21:04,181 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:04,184 INFO L225 Difference]: With dead ends: 66 [2020-08-19 04:21:04,184 INFO L226 Difference]: Without dead ends: 46 [2020-08-19 04:21:04,186 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 29 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=64, Invalid=242, Unknown=0, NotChecked=0, Total=306 [2020-08-19 04:21:04,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 46 states. [2020-08-19 04:21:04,207 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 46 to 42. [2020-08-19 04:21:04,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-08-19 04:21:04,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 56 transitions. [2020-08-19 04:21:04,212 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 56 transitions. Word has length 36 [2020-08-19 04:21:04,213 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:04,213 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 56 transitions. [2020-08-19 04:21:04,213 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 04:21:04,213 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 56 transitions. [2020-08-19 04:21:04,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-19 04:21:04,218 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:04,219 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:04,219 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 04:21:04,219 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:04,219 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:04,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1240446734, now seen corresponding path program 3 times [2020-08-19 04:21:04,220 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:04,221 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1569839977] [2020-08-19 04:21:04,221 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:04,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:04,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:04,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:04,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:04,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 32 [2020-08-19 04:21:04,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,417 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 17 proven. 9 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-19 04:21:04,418 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1569839977] [2020-08-19 04:21:04,418 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:04,418 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 04:21:04,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1268249955] [2020-08-19 04:21:04,419 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 04:21:04,419 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:04,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 04:21:04,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=73, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:21:04,420 INFO L87 Difference]: Start difference. First operand 42 states and 56 transitions. Second operand 10 states. [2020-08-19 04:21:04,655 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:04,655 INFO L93 Difference]: Finished difference Result 71 states and 104 transitions. [2020-08-19 04:21:04,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2020-08-19 04:21:04,656 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 40 [2020-08-19 04:21:04,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:04,657 INFO L225 Difference]: With dead ends: 71 [2020-08-19 04:21:04,657 INFO L226 Difference]: Without dead ends: 42 [2020-08-19 04:21:04,658 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 33 GetRequests, 17 SyntacticMatches, 0 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=59, Invalid=247, Unknown=0, NotChecked=0, Total=306 [2020-08-19 04:21:04,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 42 states. [2020-08-19 04:21:04,665 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 42 to 39. [2020-08-19 04:21:04,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 39 states. [2020-08-19 04:21:04,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 39 states and 47 transitions. [2020-08-19 04:21:04,666 INFO L78 Accepts]: Start accepts. Automaton has 39 states and 47 transitions. Word has length 40 [2020-08-19 04:21:04,667 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:04,667 INFO L479 AbstractCegarLoop]: Abstraction has 39 states and 47 transitions. [2020-08-19 04:21:04,667 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 04:21:04,667 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 47 transitions. [2020-08-19 04:21:04,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2020-08-19 04:21:04,668 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:04,668 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:04,669 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 04:21:04,669 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:04,669 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:04,669 INFO L82 PathProgramCache]: Analyzing trace with hash -979408629, now seen corresponding path program 2 times [2020-08-19 04:21:04,670 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:04,670 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [81845834] [2020-08-19 04:21:04,670 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:04,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:04,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:04,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:04,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:04,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:04,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:04,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 04:21:04,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:04,941 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 0 proven. 32 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2020-08-19 04:21:04,942 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [81845834] [2020-08-19 04:21:04,942 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:04,942 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-19 04:21:04,943 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721045062] [2020-08-19 04:21:04,943 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 04:21:04,943 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:04,944 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 04:21:04,944 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=132, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:21:04,944 INFO L87 Difference]: Start difference. First operand 39 states and 47 transitions. Second operand 13 states. [2020-08-19 04:21:05,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:05,375 INFO L93 Difference]: Finished difference Result 65 states and 81 transitions. [2020-08-19 04:21:05,376 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 04:21:05,376 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 56 [2020-08-19 04:21:05,377 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:05,378 INFO L225 Difference]: With dead ends: 65 [2020-08-19 04:21:05,378 INFO L226 Difference]: Without dead ends: 61 [2020-08-19 04:21:05,379 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 50 GetRequests, 29 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 45 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=427, Unknown=0, NotChecked=0, Total=506 [2020-08-19 04:21:05,380 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-19 04:21:05,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 54. [2020-08-19 04:21:05,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-19 04:21:05,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2020-08-19 04:21:05,391 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 56 [2020-08-19 04:21:05,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:05,392 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2020-08-19 04:21:05,392 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 04:21:05,392 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-08-19 04:21:05,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-19 04:21:05,394 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:05,394 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:05,395 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 04:21:05,395 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:05,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:05,395 INFO L82 PathProgramCache]: Analyzing trace with hash -83361749, now seen corresponding path program 3 times [2020-08-19 04:21:05,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:05,396 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113685176] [2020-08-19 04:21:05,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:05,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:05,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:05,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:05,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:05,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:05,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:05,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:05,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:05,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-19 04:21:05,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:05,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,572 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 54 proven. 80 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-19 04:21:05,573 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113685176] [2020-08-19 04:21:05,573 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:05,574 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 04:21:05,574 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2108324168] [2020-08-19 04:21:05,574 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 04:21:05,575 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:05,575 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 04:21:05,575 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:21:05,575 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand 9 states. [2020-08-19 04:21:05,886 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:05,886 INFO L93 Difference]: Finished difference Result 95 states and 138 transitions. [2020-08-19 04:21:05,887 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 04:21:05,887 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-19 04:21:05,888 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:05,889 INFO L225 Difference]: With dead ends: 95 [2020-08-19 04:21:05,889 INFO L226 Difference]: Without dead ends: 64 [2020-08-19 04:21:05,890 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 59 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=289, Unknown=0, NotChecked=0, Total=380 [2020-08-19 04:21:05,891 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 64 states. [2020-08-19 04:21:05,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 64 to 57. [2020-08-19 04:21:05,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 57 states. [2020-08-19 04:21:05,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 57 states and 72 transitions. [2020-08-19 04:21:05,902 INFO L78 Accepts]: Start accepts. Automaton has 57 states and 72 transitions. Word has length 76 [2020-08-19 04:21:05,902 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:05,903 INFO L479 AbstractCegarLoop]: Abstraction has 57 states and 72 transitions. [2020-08-19 04:21:05,903 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 04:21:05,903 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 72 transitions. [2020-08-19 04:21:05,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 63 [2020-08-19 04:21:05,904 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:05,905 INFO L422 BasicCegarLoop]: trace histogram [7, 7, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:05,905 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 04:21:05,905 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:05,905 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:05,905 INFO L82 PathProgramCache]: Analyzing trace with hash 1033208535, now seen corresponding path program 4 times [2020-08-19 04:21:05,906 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:05,906 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1516759842] [2020-08-19 04:21:05,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:05,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:05,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:05,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:05,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:05,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:05,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:06,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:06,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:06,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:06,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 42 [2020-08-19 04:21:06,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:06,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:06,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,080 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 13 proven. 41 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-19 04:21:06,081 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1516759842] [2020-08-19 04:21:06,081 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:06,081 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 04:21:06,082 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [899328779] [2020-08-19 04:21:06,082 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 04:21:06,083 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:06,083 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 04:21:06,083 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:21:06,083 INFO L87 Difference]: Start difference. First operand 57 states and 72 transitions. Second operand 12 states. [2020-08-19 04:21:06,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:06,407 INFO L93 Difference]: Finished difference Result 71 states and 90 transitions. [2020-08-19 04:21:06,407 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 04:21:06,408 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 62 [2020-08-19 04:21:06,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:06,409 INFO L225 Difference]: With dead ends: 71 [2020-08-19 04:21:06,409 INFO L226 Difference]: Without dead ends: 55 [2020-08-19 04:21:06,410 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 41 GetRequests, 21 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 58 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=90, Invalid=372, Unknown=0, NotChecked=0, Total=462 [2020-08-19 04:21:06,411 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 55 states. [2020-08-19 04:21:06,418 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 55 to 51. [2020-08-19 04:21:06,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-19 04:21:06,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 67 transitions. [2020-08-19 04:21:06,420 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 67 transitions. Word has length 62 [2020-08-19 04:21:06,420 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:06,421 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 67 transitions. [2020-08-19 04:21:06,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 04:21:06,421 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 67 transitions. [2020-08-19 04:21:06,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2020-08-19 04:21:06,422 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:06,423 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 6, 5, 5, 5, 5, 5, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:06,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 04:21:06,423 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:06,423 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:06,424 INFO L82 PathProgramCache]: Analyzing trace with hash 622260971, now seen corresponding path program 5 times [2020-08-19 04:21:06,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:06,424 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1246636922] [2020-08-19 04:21:06,424 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:06,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:06,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:06,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:06,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:06,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:06,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:06,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:06,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:06,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:06,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:06,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 62 [2020-08-19 04:21:06,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:06,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 70 proven. 64 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2020-08-19 04:21:06,620 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1246636922] [2020-08-19 04:21:06,620 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:06,620 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [9] total 9 [2020-08-19 04:21:06,621 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1648374311] [2020-08-19 04:21:06,621 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2020-08-19 04:21:06,621 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:06,622 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2020-08-19 04:21:06,622 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:21:06,622 INFO L87 Difference]: Start difference. First operand 51 states and 67 transitions. Second operand 9 states. [2020-08-19 04:21:06,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:06,894 INFO L93 Difference]: Finished difference Result 96 states and 140 transitions. [2020-08-19 04:21:06,895 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 04:21:06,895 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 76 [2020-08-19 04:21:06,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:06,896 INFO L225 Difference]: With dead ends: 96 [2020-08-19 04:21:06,897 INFO L226 Difference]: Without dead ends: 56 [2020-08-19 04:21:06,898 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 47 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=88, Invalid=292, Unknown=0, NotChecked=0, Total=380 [2020-08-19 04:21:06,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 56 states. [2020-08-19 04:21:06,913 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 56 to 48. [2020-08-19 04:21:06,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-19 04:21:06,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 61 transitions. [2020-08-19 04:21:06,917 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 61 transitions. Word has length 76 [2020-08-19 04:21:06,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:06,920 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 61 transitions. [2020-08-19 04:21:06,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 9 states. [2020-08-19 04:21:06,920 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 61 transitions. [2020-08-19 04:21:06,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2020-08-19 04:21:06,921 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:06,921 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:06,921 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 04:21:06,921 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:06,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:06,923 INFO L82 PathProgramCache]: Analyzing trace with hash -633873909, now seen corresponding path program 6 times [2020-08-19 04:21:06,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:06,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [449605868] [2020-08-19 04:21:06,924 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:06,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:07,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:07,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:07,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:07,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:07,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:07,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:07,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:07,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:07,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-19 04:21:07,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,210 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 42 proven. 131 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2020-08-19 04:21:07,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [449605868] [2020-08-19 04:21:07,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:07,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 04:21:07,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515880165] [2020-08-19 04:21:07,212 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 04:21:07,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:07,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 04:21:07,213 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=107, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:21:07,213 INFO L87 Difference]: Start difference. First operand 48 states and 61 transitions. Second operand 12 states. [2020-08-19 04:21:07,536 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:07,536 INFO L93 Difference]: Finished difference Result 58 states and 75 transitions. [2020-08-19 04:21:07,537 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 17 states. [2020-08-19 04:21:07,537 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 96 [2020-08-19 04:21:07,537 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:07,541 INFO L225 Difference]: With dead ends: 58 [2020-08-19 04:21:07,541 INFO L226 Difference]: Without dead ends: 54 [2020-08-19 04:21:07,542 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 35 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 68 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=101, Invalid=451, Unknown=0, NotChecked=0, Total=552 [2020-08-19 04:21:07,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54 states. [2020-08-19 04:21:07,552 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54 to 51. [2020-08-19 04:21:07,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 51 states. [2020-08-19 04:21:07,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 51 states and 64 transitions. [2020-08-19 04:21:07,556 INFO L78 Accepts]: Start accepts. Automaton has 51 states and 64 transitions. Word has length 96 [2020-08-19 04:21:07,557 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:07,557 INFO L479 AbstractCegarLoop]: Abstraction has 51 states and 64 transitions. [2020-08-19 04:21:07,557 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 04:21:07,557 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 64 transitions. [2020-08-19 04:21:07,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2020-08-19 04:21:07,558 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:07,558 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:07,558 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 04:21:07,559 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:07,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:07,560 INFO L82 PathProgramCache]: Analyzing trace with hash 542454743, now seen corresponding path program 7 times [2020-08-19 04:21:07,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:07,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1270910732] [2020-08-19 04:21:07,560 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:07,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:07,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:07,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:07,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:07,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:07,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:07,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:07,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:08,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:08,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:08,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:08,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-19 04:21:08,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:08,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:08,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:08,209 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 0 proven. 161 refuted. 0 times theorem prover too weak. 315 trivial. 0 not checked. [2020-08-19 04:21:08,210 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1270910732] [2020-08-19 04:21:08,210 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:08,211 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-19 04:21:08,211 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1915624574] [2020-08-19 04:21:08,211 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-19 04:21:08,212 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:08,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-19 04:21:08,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=240, Unknown=0, NotChecked=0, Total=272 [2020-08-19 04:21:08,213 INFO L87 Difference]: Start difference. First operand 51 states and 64 transitions. Second operand 17 states. [2020-08-19 04:21:08,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:08,908 INFO L93 Difference]: Finished difference Result 80 states and 102 transitions. [2020-08-19 04:21:08,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-19 04:21:08,909 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 102 [2020-08-19 04:21:08,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:08,910 INFO L225 Difference]: With dead ends: 80 [2020-08-19 04:21:08,911 INFO L226 Difference]: Without dead ends: 76 [2020-08-19 04:21:08,912 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 86 GetRequests, 57 SyntacticMatches, 0 SemanticMatches, 29 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 93 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=111, Invalid=819, Unknown=0, NotChecked=0, Total=930 [2020-08-19 04:21:08,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 76 states. [2020-08-19 04:21:08,928 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 76 to 69. [2020-08-19 04:21:08,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 69 states. [2020-08-19 04:21:08,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 69 states and 91 transitions. [2020-08-19 04:21:08,948 INFO L78 Accepts]: Start accepts. Automaton has 69 states and 91 transitions. Word has length 102 [2020-08-19 04:21:08,951 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:08,951 INFO L479 AbstractCegarLoop]: Abstraction has 69 states and 91 transitions. [2020-08-19 04:21:08,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-19 04:21:08,952 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 91 transitions. [2020-08-19 04:21:08,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-19 04:21:08,957 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:08,957 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 12, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:08,957 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 04:21:08,957 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:08,958 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:08,958 INFO L82 PathProgramCache]: Analyzing trace with hash 589762519, now seen corresponding path program 8 times [2020-08-19 04:21:08,958 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:08,958 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [385629909] [2020-08-19 04:21:08,959 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:09,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:09,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:09,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:09,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:09,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:09,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 04:21:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,362 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 167 proven. 314 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2020-08-19 04:21:09,363 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [385629909] [2020-08-19 04:21:09,363 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:09,363 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 04:21:09,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [898099978] [2020-08-19 04:21:09,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 04:21:09,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:09,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 04:21:09,365 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:21:09,365 INFO L87 Difference]: Start difference. First operand 69 states and 91 transitions. Second operand 11 states. [2020-08-19 04:21:09,781 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:09,781 INFO L93 Difference]: Finished difference Result 125 states and 188 transitions. [2020-08-19 04:21:09,782 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 04:21:09,782 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-08-19 04:21:09,782 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:09,783 INFO L225 Difference]: With dead ends: 125 [2020-08-19 04:21:09,783 INFO L226 Difference]: Without dead ends: 82 [2020-08-19 04:21:09,785 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 159 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=166, Invalid=590, Unknown=0, NotChecked=0, Total=756 [2020-08-19 04:21:09,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-19 04:21:09,797 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 72. [2020-08-19 04:21:09,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 72 states. [2020-08-19 04:21:09,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 72 states to 72 states and 93 transitions. [2020-08-19 04:21:09,799 INFO L78 Accepts]: Start accepts. Automaton has 72 states and 93 transitions. Word has length 142 [2020-08-19 04:21:09,801 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:09,801 INFO L479 AbstractCegarLoop]: Abstraction has 72 states and 93 transitions. [2020-08-19 04:21:09,802 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 04:21:09,802 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 93 transitions. [2020-08-19 04:21:09,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2020-08-19 04:21:09,822 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:09,822 INFO L422 BasicCegarLoop]: trace histogram [15, 15, 8, 7, 7, 7, 7, 7, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:09,822 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-19 04:21:09,823 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:09,823 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:09,823 INFO L82 PathProgramCache]: Analyzing trace with hash 1145252683, now seen corresponding path program 9 times [2020-08-19 04:21:09,823 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:09,824 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1004374322] [2020-08-19 04:21:09,824 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:09,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:09,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:09,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:09,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:09,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:09,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:10,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:10,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:10,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:10,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 82 [2020-08-19 04:21:10,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 492 backedges. 42 proven. 144 refuted. 0 times theorem prover too weak. 306 trivial. 0 not checked. [2020-08-19 04:21:10,114 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1004374322] [2020-08-19 04:21:10,114 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:10,114 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 04:21:10,115 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1702042784] [2020-08-19 04:21:10,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 04:21:10,116 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:10,116 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 04:21:10,117 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:21:10,117 INFO L87 Difference]: Start difference. First operand 72 states and 93 transitions. Second operand 14 states. [2020-08-19 04:21:10,487 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:10,487 INFO L93 Difference]: Finished difference Result 86 states and 112 transitions. [2020-08-19 04:21:10,488 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-19 04:21:10,488 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 108 [2020-08-19 04:21:10,489 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:10,489 INFO L225 Difference]: With dead ends: 86 [2020-08-19 04:21:10,489 INFO L226 Difference]: Without dead ends: 67 [2020-08-19 04:21:10,490 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 65 GetRequests, 39 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 120 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=142, Invalid=614, Unknown=0, NotChecked=0, Total=756 [2020-08-19 04:21:10,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 67 states. [2020-08-19 04:21:10,502 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 67 to 63. [2020-08-19 04:21:10,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-19 04:21:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 86 transitions. [2020-08-19 04:21:10,503 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 86 transitions. Word has length 108 [2020-08-19 04:21:10,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:10,504 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 86 transitions. [2020-08-19 04:21:10,504 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 04:21:10,504 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 86 transitions. [2020-08-19 04:21:10,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2020-08-19 04:21:10,505 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:10,506 INFO L422 BasicCegarLoop]: trace histogram [23, 23, 12, 11, 11, 11, 11, 11, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:10,506 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-19 04:21:10,506 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:10,506 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:10,506 INFO L82 PathProgramCache]: Analyzing trace with hash -370212393, now seen corresponding path program 10 times [2020-08-19 04:21:10,507 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:10,512 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [899571527] [2020-08-19 04:21:10,513 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:10,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:10,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:10,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:10,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:10,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:10,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:10,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:10,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:10,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:10,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 122 [2020-08-19 04:21:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:10,891 INFO L134 CoverageAnalysis]: Checked inductivity of 1136 backedges. 227 proven. 254 refuted. 0 times theorem prover too weak. 655 trivial. 0 not checked. [2020-08-19 04:21:10,892 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [899571527] [2020-08-19 04:21:10,892 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:10,892 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 04:21:10,893 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [448857449] [2020-08-19 04:21:10,893 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 04:21:10,893 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:10,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 04:21:10,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:21:10,894 INFO L87 Difference]: Start difference. First operand 63 states and 86 transitions. Second operand 11 states. [2020-08-19 04:21:11,327 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:11,327 INFO L93 Difference]: Finished difference Result 123 states and 185 transitions. [2020-08-19 04:21:11,328 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 04:21:11,329 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 142 [2020-08-19 04:21:11,329 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:11,331 INFO L225 Difference]: With dead ends: 123 [2020-08-19 04:21:11,331 INFO L226 Difference]: Without dead ends: 71 [2020-08-19 04:21:11,333 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 82 GetRequests, 56 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 141 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=161, Invalid=595, Unknown=0, NotChecked=0, Total=756 [2020-08-19 04:21:11,334 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 71 states. [2020-08-19 04:21:11,340 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 71 to 60. [2020-08-19 04:21:11,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 60 states. [2020-08-19 04:21:11,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 60 states and 79 transitions. [2020-08-19 04:21:11,341 INFO L78 Accepts]: Start accepts. Automaton has 60 states and 79 transitions. Word has length 142 [2020-08-19 04:21:11,341 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:11,341 INFO L479 AbstractCegarLoop]: Abstraction has 60 states and 79 transitions. [2020-08-19 04:21:11,342 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 04:21:11,342 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 79 transitions. [2020-08-19 04:21:11,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2020-08-19 04:21:11,343 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:11,344 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:11,344 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-19 04:21:11,344 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:11,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:11,345 INFO L82 PathProgramCache]: Analyzing trace with hash -2107974185, now seen corresponding path program 11 times [2020-08-19 04:21:11,345 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:11,345 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [499722063] [2020-08-19 04:21:11,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:11,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:11,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:11,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:11,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:11,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:11,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:11,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:11,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:11,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:11,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:11,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:11,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-19 04:21:11,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:11,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:11,880 INFO L134 CoverageAnalysis]: Checked inductivity of 2084 backedges. 107 proven. 404 refuted. 0 times theorem prover too weak. 1573 trivial. 0 not checked. [2020-08-19 04:21:11,880 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [499722063] [2020-08-19 04:21:11,880 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:11,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 04:21:11,881 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [172947405] [2020-08-19 04:21:11,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 04:21:11,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:11,882 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 04:21:11,882 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=34, Invalid=148, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:21:11,882 INFO L87 Difference]: Start difference. First operand 60 states and 79 transitions. Second operand 14 states. [2020-08-19 04:21:12,297 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:12,297 INFO L93 Difference]: Finished difference Result 70 states and 94 transitions. [2020-08-19 04:21:12,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 21 states. [2020-08-19 04:21:12,297 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 182 [2020-08-19 04:21:12,298 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:12,299 INFO L225 Difference]: With dead ends: 70 [2020-08-19 04:21:12,299 INFO L226 Difference]: Without dead ends: 66 [2020-08-19 04:21:12,300 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 97 GetRequests, 69 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=154, Invalid=716, Unknown=0, NotChecked=0, Total=870 [2020-08-19 04:21:12,300 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 66 states. [2020-08-19 04:21:12,306 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 66 to 63. [2020-08-19 04:21:12,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 63 states. [2020-08-19 04:21:12,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 63 states and 82 transitions. [2020-08-19 04:21:12,307 INFO L78 Accepts]: Start accepts. Automaton has 63 states and 82 transitions. Word has length 182 [2020-08-19 04:21:12,308 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:12,308 INFO L479 AbstractCegarLoop]: Abstraction has 63 states and 82 transitions. [2020-08-19 04:21:12,308 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 04:21:12,308 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 82 transitions. [2020-08-19 04:21:12,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2020-08-19 04:21:12,310 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:12,310 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:12,310 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-19 04:21:12,311 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:12,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:12,311 INFO L82 PathProgramCache]: Analyzing trace with hash 836851019, now seen corresponding path program 12 times [2020-08-19 04:21:12,311 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:12,311 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [868909444] [2020-08-19 04:21:12,311 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:12,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:12,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:12,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:12,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:12,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:12,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:12,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:12,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:12,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:12,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:12,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:12,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:12,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:12,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:12,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:12,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:12,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:12,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:12,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:13,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-19 04:21:13,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:13,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:13,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:13,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:13,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:13,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:13,248 INFO L134 CoverageAnalysis]: Checked inductivity of 2100 backedges. 0 proven. 705 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2020-08-19 04:21:13,249 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [868909444] [2020-08-19 04:21:13,249 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:13,249 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-19 04:21:13,249 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706971707] [2020-08-19 04:21:13,250 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-19 04:21:13,250 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:13,250 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-19 04:21:13,251 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=40, Invalid=380, Unknown=0, NotChecked=0, Total=420 [2020-08-19 04:21:13,251 INFO L87 Difference]: Start difference. First operand 63 states and 82 transitions. Second operand 21 states. [2020-08-19 04:21:14,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:14,117 INFO L93 Difference]: Finished difference Result 95 states and 124 transitions. [2020-08-19 04:21:14,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2020-08-19 04:21:14,118 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 188 [2020-08-19 04:21:14,118 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:14,119 INFO L225 Difference]: With dead ends: 95 [2020-08-19 04:21:14,119 INFO L226 Difference]: Without dead ends: 91 [2020-08-19 04:21:14,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 150 GetRequests, 113 SyntacticMatches, 0 SemanticMatches, 37 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 157 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=143, Invalid=1339, Unknown=0, NotChecked=0, Total=1482 [2020-08-19 04:21:14,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-19 04:21:14,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 84. [2020-08-19 04:21:14,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-19 04:21:14,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 113 transitions. [2020-08-19 04:21:14,136 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 113 transitions. Word has length 188 [2020-08-19 04:21:14,137 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:14,137 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 113 transitions. [2020-08-19 04:21:14,137 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-19 04:21:14,137 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 113 transitions. [2020-08-19 04:21:14,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2020-08-19 04:21:14,141 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:14,141 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 24, 23, 23, 23, 23, 23, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:14,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-19 04:21:14,141 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:14,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:14,142 INFO L82 PathProgramCache]: Analyzing trace with hash 1987597643, now seen corresponding path program 13 times [2020-08-19 04:21:14,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:14,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1181451659] [2020-08-19 04:21:14,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:14,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:14,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:14,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:14,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:14,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:14,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:14,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 242 [2020-08-19 04:21:14,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:14,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:14,933 INFO L134 CoverageAnalysis]: Checked inductivity of 4860 backedges. 455 proven. 975 refuted. 0 times theorem prover too weak. 3430 trivial. 0 not checked. [2020-08-19 04:21:14,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1181451659] [2020-08-19 04:21:14,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:14,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-19 04:21:14,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993572989] [2020-08-19 04:21:14,937 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 04:21:14,937 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:14,937 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 04:21:14,937 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-19 04:21:14,938 INFO L87 Difference]: Start difference. First operand 84 states and 113 transitions. Second operand 13 states. [2020-08-19 04:21:15,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:15,527 INFO L93 Difference]: Finished difference Result 155 states and 241 transitions. [2020-08-19 04:21:15,530 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 04:21:15,530 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 268 [2020-08-19 04:21:15,530 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:15,531 INFO L225 Difference]: With dead ends: 155 [2020-08-19 04:21:15,531 INFO L226 Difference]: Without dead ends: 100 [2020-08-19 04:21:15,533 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 140 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 309 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=262, Invalid=998, Unknown=0, NotChecked=0, Total=1260 [2020-08-19 04:21:15,533 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 100 states. [2020-08-19 04:21:15,540 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 100 to 87. [2020-08-19 04:21:15,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-19 04:21:15,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 115 transitions. [2020-08-19 04:21:15,542 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 115 transitions. Word has length 268 [2020-08-19 04:21:15,542 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:15,542 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 115 transitions. [2020-08-19 04:21:15,542 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 04:21:15,542 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 115 transitions. [2020-08-19 04:21:15,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2020-08-19 04:21:15,545 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:15,545 INFO L422 BasicCegarLoop]: trace histogram [31, 31, 16, 15, 15, 15, 15, 15, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:15,545 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-19 04:21:15,545 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:15,545 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:15,546 INFO L82 PathProgramCache]: Analyzing trace with hash 1322769943, now seen corresponding path program 14 times [2020-08-19 04:21:15,546 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:15,546 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [113083309] [2020-08-19 04:21:15,546 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:15,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:15,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:15,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:15,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:15,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:15,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:15,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:15,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:15,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:15,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:15,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:15,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:15,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:15,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:15,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:15,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 162 [2020-08-19 04:21:15,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:15,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:15,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:16,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:16,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:16,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:16,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:16,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:16,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:16,092 INFO L134 CoverageAnalysis]: Checked inductivity of 2122 backedges. 107 proven. 423 refuted. 0 times theorem prover too weak. 1592 trivial. 0 not checked. [2020-08-19 04:21:16,093 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [113083309] [2020-08-19 04:21:16,093 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:16,093 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-19 04:21:16,093 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [82301237] [2020-08-19 04:21:16,095 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-19 04:21:16,097 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:16,097 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-19 04:21:16,097 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=205, Unknown=0, NotChecked=0, Total=240 [2020-08-19 04:21:16,098 INFO L87 Difference]: Start difference. First operand 87 states and 115 transitions. Second operand 16 states. [2020-08-19 04:21:16,881 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:16,881 INFO L93 Difference]: Finished difference Result 135 states and 199 transitions. [2020-08-19 04:21:16,882 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 04:21:16,882 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 194 [2020-08-19 04:21:16,883 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:16,884 INFO L225 Difference]: With dead ends: 135 [2020-08-19 04:21:16,884 INFO L226 Difference]: Without dead ends: 88 [2020-08-19 04:21:16,886 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 109 GetRequests, 73 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 221 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=175, Invalid=1231, Unknown=0, NotChecked=0, Total=1406 [2020-08-19 04:21:16,887 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 88 states. [2020-08-19 04:21:16,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 88 to 84. [2020-08-19 04:21:16,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-19 04:21:16,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-19 04:21:16,898 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 194 [2020-08-19 04:21:16,899 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:16,899 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-19 04:21:16,900 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-19 04:21:16,900 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-19 04:21:16,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2020-08-19 04:21:16,907 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:16,907 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 4, 4, 3, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:16,907 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-19 04:21:16,908 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:16,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:16,909 INFO L82 PathProgramCache]: Analyzing trace with hash -547968693, now seen corresponding path program 15 times [2020-08-19 04:21:16,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:16,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [626191776] [2020-08-19 04:21:16,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:17,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:17,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:17,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:17,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:17,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:17,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:17,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:17,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:17,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:17,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:17,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:17,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:17,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:17,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:17,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:17,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:17,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:18,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-19 04:21:18,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:18,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:18,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:18,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:18,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:18,212 INFO L134 CoverageAnalysis]: Checked inductivity of 8772 backedges. 244 proven. 1097 refuted. 0 times theorem prover too weak. 7431 trivial. 0 not checked. [2020-08-19 04:21:18,212 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [626191776] [2020-08-19 04:21:18,213 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:18,213 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-19 04:21:18,213 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1381580152] [2020-08-19 04:21:18,215 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-19 04:21:18,215 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:18,215 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-19 04:21:18,216 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=195, Unknown=0, NotChecked=0, Total=240 [2020-08-19 04:21:18,216 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 16 states. [2020-08-19 04:21:18,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:18,898 INFO L93 Difference]: Finished difference Result 151 states and 234 transitions. [2020-08-19 04:21:18,899 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 25 states. [2020-08-19 04:21:18,899 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 348 [2020-08-19 04:21:18,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:18,901 INFO L225 Difference]: With dead ends: 151 [2020-08-19 04:21:18,901 INFO L226 Difference]: Without dead ends: 78 [2020-08-19 04:21:18,903 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 135 SyntacticMatches, 0 SemanticMatches, 34 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 214 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=219, Invalid=1041, Unknown=0, NotChecked=0, Total=1260 [2020-08-19 04:21:18,903 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-19 04:21:18,912 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 75. [2020-08-19 04:21:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 75 states. [2020-08-19 04:21:18,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 75 states and 101 transitions. [2020-08-19 04:21:18,915 INFO L78 Accepts]: Start accepts. Automaton has 75 states and 101 transitions. Word has length 348 [2020-08-19 04:21:18,916 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:18,917 INFO L479 AbstractCegarLoop]: Abstraction has 75 states and 101 transitions. [2020-08-19 04:21:18,917 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-19 04:21:18,917 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 101 transitions. [2020-08-19 04:21:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-19 04:21:18,927 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:18,927 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:18,927 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-19 04:21:18,928 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:18,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:18,928 INFO L82 PathProgramCache]: Analyzing trace with hash -604098025, now seen corresponding path program 16 times [2020-08-19 04:21:18,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:18,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [488268593] [2020-08-19 04:21:18,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:19,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:19,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:19,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:19,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:19,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:19,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:19,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:19,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:19,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:19,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:19,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:19,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:20,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:20,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:20,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:20,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:20,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:20,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:20,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-19 04:21:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:20,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:20,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:21,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:21,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:21,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:21,443 INFO L134 CoverageAnalysis]: Checked inductivity of 8794 backedges. 0 proven. 2940 refuted. 0 times theorem prover too weak. 5854 trivial. 0 not checked. [2020-08-19 04:21:21,444 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [488268593] [2020-08-19 04:21:21,444 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:21,444 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-19 04:21:21,445 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [440133853] [2020-08-19 04:21:21,445 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-19 04:21:21,445 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:21,446 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-19 04:21:21,446 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=48, Invalid=552, Unknown=0, NotChecked=0, Total=600 [2020-08-19 04:21:21,446 INFO L87 Difference]: Start difference. First operand 75 states and 101 transitions. Second operand 25 states. [2020-08-19 04:21:22,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:22,638 INFO L93 Difference]: Finished difference Result 110 states and 147 transitions. [2020-08-19 04:21:22,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-19 04:21:22,639 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 354 [2020-08-19 04:21:22,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:22,641 INFO L225 Difference]: With dead ends: 110 [2020-08-19 04:21:22,641 INFO L226 Difference]: Without dead ends: 106 [2020-08-19 04:21:22,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 225 SyntacticMatches, 0 SemanticMatches, 45 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 237 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=175, Invalid=1987, Unknown=0, NotChecked=0, Total=2162 [2020-08-19 04:21:22,645 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 106 states. [2020-08-19 04:21:22,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 106 to 99. [2020-08-19 04:21:22,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-19 04:21:22,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 136 transitions. [2020-08-19 04:21:22,655 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 136 transitions. Word has length 354 [2020-08-19 04:21:22,655 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:22,655 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 136 transitions. [2020-08-19 04:21:22,655 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-19 04:21:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 136 transitions. [2020-08-19 04:21:22,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-19 04:21:22,659 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:22,660 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:22,660 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-19 04:21:22,660 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:22,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:22,660 INFO L82 PathProgramCache]: Analyzing trace with hash 1040265751, now seen corresponding path program 17 times [2020-08-19 04:21:22,661 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:22,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [353645551] [2020-08-19 04:21:22,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:22,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:23,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:23,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:23,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:23,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:23,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:23,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:23,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:23,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:23,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:23,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:23,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:23,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:23,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:23,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:23,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:23,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:23,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:23,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:23,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:24,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:24,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:24,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:24,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:24,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:24,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:24,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:24,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:24,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:24,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:24,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-19 04:21:24,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:24,527 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1138 proven. 2665 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-19 04:21:24,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [353645551] [2020-08-19 04:21:24,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:24,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-19 04:21:24,528 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1323726634] [2020-08-19 04:21:24,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-19 04:21:24,530 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:24,530 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-19 04:21:24,530 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-19 04:21:24,530 INFO L87 Difference]: Start difference. First operand 99 states and 136 transitions. Second operand 15 states. [2020-08-19 04:21:25,267 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:25,268 INFO L93 Difference]: Finished difference Result 185 states and 297 transitions. [2020-08-19 04:21:25,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-19 04:21:25,269 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-19 04:21:25,269 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:25,271 INFO L225 Difference]: With dead ends: 185 [2020-08-19 04:21:25,272 INFO L226 Difference]: Without dead ends: 118 [2020-08-19 04:21:25,274 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 509 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=379, Invalid=1513, Unknown=0, NotChecked=0, Total=1892 [2020-08-19 04:21:25,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 118 states. [2020-08-19 04:21:25,287 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 118 to 102. [2020-08-19 04:21:25,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 102 states. [2020-08-19 04:21:25,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 102 states and 138 transitions. [2020-08-19 04:21:25,289 INFO L78 Accepts]: Start accepts. Automaton has 102 states and 138 transitions. Word has length 514 [2020-08-19 04:21:25,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:25,289 INFO L479 AbstractCegarLoop]: Abstraction has 102 states and 138 transitions. [2020-08-19 04:21:25,290 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-19 04:21:25,290 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 138 transitions. [2020-08-19 04:21:25,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2020-08-19 04:21:25,292 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:25,292 INFO L422 BasicCegarLoop]: trace histogram [63, 63, 32, 31, 31, 31, 31, 31, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:25,293 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-19 04:21:25,293 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:25,293 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:25,293 INFO L82 PathProgramCache]: Analyzing trace with hash 800684683, now seen corresponding path program 18 times [2020-08-19 04:21:25,293 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:25,294 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [870479069] [2020-08-19 04:21:25,294 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:25,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:25,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:25,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:25,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:25,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:25,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:25,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:25,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:25,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:25,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:25,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:25,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:25,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:25,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:25,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:26,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:26,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:26,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:26,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:26,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:26,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:26,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:26,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:26,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:26,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:26,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:26,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:26,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:26,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 322 [2020-08-19 04:21:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:26,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:26,377 INFO L134 CoverageAnalysis]: Checked inductivity of 8822 backedges. 244 proven. 1122 refuted. 0 times theorem prover too weak. 7456 trivial. 0 not checked. [2020-08-19 04:21:26,377 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [870479069] [2020-08-19 04:21:26,377 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:26,378 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 04:21:26,378 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [490122633] [2020-08-19 04:21:26,378 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 04:21:26,379 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:26,379 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 04:21:26,379 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-19 04:21:26,379 INFO L87 Difference]: Start difference. First operand 102 states and 138 transitions. Second operand 18 states. [2020-08-19 04:21:26,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:26,992 INFO L93 Difference]: Finished difference Result 116 states and 159 transitions. [2020-08-19 04:21:26,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 04:21:26,995 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 360 [2020-08-19 04:21:26,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:26,998 INFO L225 Difference]: With dead ends: 116 [2020-08-19 04:21:26,998 INFO L226 Difference]: Without dead ends: 91 [2020-08-19 04:21:26,999 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 177 GetRequests, 139 SyntacticMatches, 0 SemanticMatches, 38 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 316 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=282, Invalid=1278, Unknown=0, NotChecked=0, Total=1560 [2020-08-19 04:21:27,000 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 91 states. [2020-08-19 04:21:27,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 91 to 87. [2020-08-19 04:21:27,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-19 04:21:27,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 127 transitions. [2020-08-19 04:21:27,011 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 127 transitions. Word has length 360 [2020-08-19 04:21:27,011 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:27,011 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 127 transitions. [2020-08-19 04:21:27,011 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 04:21:27,011 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 127 transitions. [2020-08-19 04:21:27,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 515 [2020-08-19 04:21:27,015 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:27,015 INFO L422 BasicCegarLoop]: trace histogram [95, 95, 48, 47, 47, 47, 47, 47, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:27,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-19 04:21:27,016 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:27,016 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:27,016 INFO L82 PathProgramCache]: Analyzing trace with hash -1908418025, now seen corresponding path program 19 times [2020-08-19 04:21:27,016 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:27,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1731652257] [2020-08-19 04:21:27,017 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:27,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:27,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:27,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:27,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:27,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:27,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:27,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:27,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:27,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:27,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:27,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:27,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:28,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-19 04:21:28,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:28,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:28,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:28,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:28,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:28,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:28,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 482 [2020-08-19 04:21:28,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:28,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:28,612 INFO L134 CoverageAnalysis]: Checked inductivity of 20074 backedges. 1630 proven. 2173 refuted. 0 times theorem prover too weak. 16271 trivial. 0 not checked. [2020-08-19 04:21:28,613 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1731652257] [2020-08-19 04:21:28,613 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:28,613 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-19 04:21:28,613 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [953043378] [2020-08-19 04:21:28,614 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-19 04:21:28,614 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:28,614 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-19 04:21:28,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-19 04:21:28,615 INFO L87 Difference]: Start difference. First operand 87 states and 127 transitions. Second operand 15 states. [2020-08-19 04:21:29,374 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:29,374 INFO L93 Difference]: Finished difference Result 177 states and 281 transitions. [2020-08-19 04:21:29,380 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 33 states. [2020-08-19 04:21:29,380 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 514 [2020-08-19 04:21:29,381 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:29,382 INFO L225 Difference]: With dead ends: 177 [2020-08-19 04:21:29,382 INFO L226 Difference]: Without dead ends: 101 [2020-08-19 04:21:29,386 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 246 GetRequests, 204 SyntacticMatches, 0 SemanticMatches, 42 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 475 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=370, Invalid=1522, Unknown=0, NotChecked=0, Total=1892 [2020-08-19 04:21:29,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-19 04:21:29,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 84. [2020-08-19 04:21:29,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 84 states. [2020-08-19 04:21:29,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 84 states and 118 transitions. [2020-08-19 04:21:29,402 INFO L78 Accepts]: Start accepts. Automaton has 84 states and 118 transitions. Word has length 514 [2020-08-19 04:21:29,402 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:29,403 INFO L479 AbstractCegarLoop]: Abstraction has 84 states and 118 transitions. [2020-08-19 04:21:29,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-19 04:21:29,403 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 118 transitions. [2020-08-19 04:21:29,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 675 [2020-08-19 04:21:29,408 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:29,409 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 5, 5, 4, 4, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:29,409 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-19 04:21:29,409 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:29,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:29,410 INFO L82 PathProgramCache]: Analyzing trace with hash 2099436055, now seen corresponding path program 20 times [2020-08-19 04:21:29,410 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:29,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1701890893] [2020-08-19 04:21:29,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:30,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:30,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:30,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:30,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:30,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:30,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:30,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:30,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:30,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:30,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:30,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:30,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:30,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:30,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:30,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:30,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:30,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:30,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-19 04:21:31,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:31,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:31,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:31,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:31,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:31,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:31,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:31,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:31,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:31,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:31,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:31,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:31,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:31,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:31,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:31,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:31,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-19 04:21:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:31,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:31,836 INFO L134 CoverageAnalysis]: Checked inductivity of 35962 backedges. 525 proven. 2762 refuted. 0 times theorem prover too weak. 32675 trivial. 0 not checked. [2020-08-19 04:21:31,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1701890893] [2020-08-19 04:21:31,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:31,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 04:21:31,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181928973] [2020-08-19 04:21:31,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 04:21:31,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:31,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 04:21:31,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=58, Invalid=248, Unknown=0, NotChecked=0, Total=306 [2020-08-19 04:21:31,838 INFO L87 Difference]: Start difference. First operand 84 states and 118 transitions. Second operand 18 states. [2020-08-19 04:21:32,638 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:32,638 INFO L93 Difference]: Finished difference Result 94 states and 135 transitions. [2020-08-19 04:21:32,639 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 29 states. [2020-08-19 04:21:32,639 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 674 [2020-08-19 04:21:32,640 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:32,642 INFO L225 Difference]: With dead ends: 94 [2020-08-19 04:21:32,642 INFO L226 Difference]: Without dead ends: 90 [2020-08-19 04:21:32,644 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 305 GetRequests, 265 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 317 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=296, Invalid=1426, Unknown=0, NotChecked=0, Total=1722 [2020-08-19 04:21:32,644 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 90 states. [2020-08-19 04:21:32,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 90 to 87. [2020-08-19 04:21:32,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 87 states. [2020-08-19 04:21:32,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 87 states and 121 transitions. [2020-08-19 04:21:32,653 INFO L78 Accepts]: Start accepts. Automaton has 87 states and 121 transitions. Word has length 674 [2020-08-19 04:21:32,653 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:32,653 INFO L479 AbstractCegarLoop]: Abstraction has 87 states and 121 transitions. [2020-08-19 04:21:32,654 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 04:21:32,654 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 121 transitions. [2020-08-19 04:21:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 681 [2020-08-19 04:21:32,659 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:32,659 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:32,659 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-19 04:21:32,660 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:32,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:32,660 INFO L82 PathProgramCache]: Analyzing trace with hash 2092966539, now seen corresponding path program 21 times [2020-08-19 04:21:32,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:32,661 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1863013377] [2020-08-19 04:21:32,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:33,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:33,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:33,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:33,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:33,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:33,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:33,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:33,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:33,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:34,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:34,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:34,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:34,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:34,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:34,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:34,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:34,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:34,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:34,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:34,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:34,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:34,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:34,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:34,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:34,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-19 04:21:34,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:35,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:35,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:35,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:35,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:35,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:35,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:35,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:35,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:35,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:35,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:35,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:35,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:35,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:35,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-19 04:21:36,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:36,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:36,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:36,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 35990 backedges. 0 proven. 12010 refuted. 0 times theorem prover too weak. 23980 trivial. 0 not checked. [2020-08-19 04:21:36,913 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1863013377] [2020-08-19 04:21:36,913 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:36,913 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-19 04:21:36,913 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962140192] [2020-08-19 04:21:36,914 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-19 04:21:36,914 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:36,914 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-19 04:21:36,914 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=56, Invalid=756, Unknown=0, NotChecked=0, Total=812 [2020-08-19 04:21:36,914 INFO L87 Difference]: Start difference. First operand 87 states and 121 transitions. Second operand 29 states. [2020-08-19 04:21:38,420 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:38,420 INFO L93 Difference]: Finished difference Result 125 states and 171 transitions. [2020-08-19 04:21:38,421 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 42 states. [2020-08-19 04:21:38,421 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 680 [2020-08-19 04:21:38,422 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:38,424 INFO L225 Difference]: With dead ends: 125 [2020-08-19 04:21:38,424 INFO L226 Difference]: Without dead ends: 121 [2020-08-19 04:21:38,426 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 502 GetRequests, 449 SyntacticMatches, 0 SemanticMatches, 53 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 333 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=207, Invalid=2763, Unknown=0, NotChecked=0, Total=2970 [2020-08-19 04:21:38,426 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 121 states. [2020-08-19 04:21:38,435 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 121 to 114. [2020-08-19 04:21:38,435 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-19 04:21:38,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 160 transitions. [2020-08-19 04:21:38,436 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 160 transitions. Word has length 680 [2020-08-19 04:21:38,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:38,437 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 160 transitions. [2020-08-19 04:21:38,437 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-19 04:21:38,437 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 160 transitions. [2020-08-19 04:21:38,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2020-08-19 04:21:38,447 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:38,448 INFO L422 BasicCegarLoop]: trace histogram [191, 191, 96, 95, 95, 95, 95, 95, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:38,448 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-19 04:21:38,448 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:38,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:38,449 INFO L82 PathProgramCache]: Analyzing trace with hash 1334715019, now seen corresponding path program 22 times [2020-08-19 04:21:38,449 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:38,449 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145254707] [2020-08-19 04:21:38,450 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:38,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:39,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:39,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:40,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:40,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:40,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:40,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:40,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:40,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:40,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:40,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:40,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:40,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:40,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:40,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:40,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:40,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-19 04:21:40,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:41,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:41,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:41,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:41,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:41,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-19 04:21:41,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:41,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:41,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:41,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:41,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:41,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:41,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:41,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-08-19 04:21:42,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:42,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:42,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:42,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:42,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,869 INFO L134 CoverageAnalysis]: Checked inductivity of 81590 backedges. 2688 proven. 6748 refuted. 0 times theorem prover too weak. 72154 trivial. 0 not checked. [2020-08-19 04:21:42,869 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145254707] [2020-08-19 04:21:42,869 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:42,870 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-19 04:21:42,870 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1740776204] [2020-08-19 04:21:42,870 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-19 04:21:42,870 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:42,871 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-19 04:21:42,871 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-19 04:21:42,871 INFO L87 Difference]: Start difference. First operand 114 states and 160 transitions. Second operand 17 states. [2020-08-19 04:21:43,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:43,807 INFO L93 Difference]: Finished difference Result 215 states and 356 transitions. [2020-08-19 04:21:43,807 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 39 states. [2020-08-19 04:21:43,808 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 1000 [2020-08-19 04:21:43,808 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:43,810 INFO L225 Difference]: With dead ends: 215 [2020-08-19 04:21:43,810 INFO L226 Difference]: Without dead ends: 136 [2020-08-19 04:21:43,812 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 448 GetRequests, 398 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 759 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=517, Invalid=2135, Unknown=0, NotChecked=0, Total=2652 [2020-08-19 04:21:43,813 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-08-19 04:21:43,823 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 117. [2020-08-19 04:21:43,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 117 states. [2020-08-19 04:21:43,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 117 states and 162 transitions. [2020-08-19 04:21:43,824 INFO L78 Accepts]: Start accepts. Automaton has 117 states and 162 transitions. Word has length 1000 [2020-08-19 04:21:43,825 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:43,825 INFO L479 AbstractCegarLoop]: Abstraction has 117 states and 162 transitions. [2020-08-19 04:21:43,825 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-19 04:21:43,825 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 162 transitions. [2020-08-19 04:21:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2020-08-19 04:21:43,830 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:43,831 INFO L422 BasicCegarLoop]: trace histogram [127, 127, 64, 63, 63, 63, 63, 63, 7, 7, 6, 6, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:43,831 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-19 04:21:43,831 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:43,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:43,832 INFO L82 PathProgramCache]: Analyzing trace with hash 1024924247, now seen corresponding path program 23 times [2020-08-19 04:21:43,832 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:43,832 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1590359842] [2020-08-19 04:21:43,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:44,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:44,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:44,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:44,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:45,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-19 04:21:45,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:45,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:45,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:45,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:45,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:45,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:45,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:45,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:45,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 642 [2020-08-19 04:21:46,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:46,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:46,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:46,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:46,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:46,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,683 INFO L134 CoverageAnalysis]: Checked inductivity of 36024 backedges. 525 proven. 2793 refuted. 0 times theorem prover too weak. 32706 trivial. 0 not checked. [2020-08-19 04:21:46,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1590359842] [2020-08-19 04:21:46,684 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:46,684 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-19 04:21:46,684 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [355938366] [2020-08-19 04:21:46,685 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-19 04:21:46,685 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:46,685 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-19 04:21:46,685 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=73, Invalid=307, Unknown=0, NotChecked=0, Total=380 [2020-08-19 04:21:46,685 INFO L87 Difference]: Start difference. First operand 117 states and 162 transitions. Second operand 20 states. [2020-08-19 04:21:47,432 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:47,432 INFO L93 Difference]: Finished difference Result 131 states and 184 transitions. [2020-08-19 04:21:47,433 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 31 states. [2020-08-19 04:21:47,433 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 686 [2020-08-19 04:21:47,434 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:47,435 INFO L225 Difference]: With dead ends: 131 [2020-08-19 04:21:47,435 INFO L226 Difference]: Without dead ends: 103 [2020-08-19 04:21:47,438 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 313 GetRequests, 269 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 450 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=370, Invalid=1700, Unknown=0, NotChecked=0, Total=2070 [2020-08-19 04:21:47,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 103 states. [2020-08-19 04:21:47,449 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 103 to 99. [2020-08-19 04:21:47,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-19 04:21:47,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 149 transitions. [2020-08-19 04:21:47,453 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 149 transitions. Word has length 686 [2020-08-19 04:21:47,454 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:47,454 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 149 transitions. [2020-08-19 04:21:47,454 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-19 04:21:47,454 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 149 transitions. [2020-08-19 04:21:47,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1001 [2020-08-19 04:21:47,464 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:47,464 INFO L422 BasicCegarLoop]: trace histogram [191, 191, 96, 95, 95, 95, 95, 95, 6, 6, 5, 5, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:47,465 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-19 04:21:47,465 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:47,465 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:47,465 INFO L82 PathProgramCache]: Analyzing trace with hash -1285590389, now seen corresponding path program 24 times [2020-08-19 04:21:47,466 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:47,466 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [971284557] [2020-08-19 04:21:47,466 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:48,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:48,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:48,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:48,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:48,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:48,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:49,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:49,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 317 [2020-08-19 04:21:49,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:49,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:49,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:49,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 637 [2020-08-19 04:21:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:50,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:50,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:50,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:50,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 157 [2020-08-19 04:21:50,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:50,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 77 [2020-08-19 04:21:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:50,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:50,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 17 [2020-08-19 04:21:50,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:50,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 7 [2020-08-19 04:21:50,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 962 [2020-08-19 04:21:51,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:51,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:51,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:51,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 2 [2020-08-19 04:21:51,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat