/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-simple/fibo_2calls_10-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 04:21:33,591 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 04:21:33,594 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 04:21:33,618 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 04:21:33,618 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 04:21:33,619 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 04:21:33,621 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 04:21:33,623 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 04:21:33,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 04:21:33,625 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 04:21:33,626 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 04:21:33,627 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 04:21:33,628 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 04:21:33,629 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 04:21:33,630 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 04:21:33,631 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 04:21:33,632 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 04:21:33,633 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 04:21:33,634 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 04:21:33,636 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 04:21:33,637 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 04:21:33,638 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 04:21:33,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 04:21:33,640 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 04:21:33,642 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 04:21:33,643 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 04:21:33,643 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 04:21:33,644 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 04:21:33,644 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 04:21:33,645 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 04:21:33,646 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 04:21:33,646 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 04:21:33,650 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 04:21:33,651 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 04:21:33,652 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 04:21:33,652 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 04:21:33,652 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 04:21:33,653 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 04:21:33,654 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 04:21:33,658 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 04:21:33,659 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 04:21:33,660 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 04:21:33,709 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 04:21:33,710 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 04:21:33,713 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 04:21:33,713 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 04:21:33,713 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 04:21:33,713 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 04:21:33,713 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 04:21:33,714 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 04:21:33,714 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 04:21:33,714 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 04:21:33,714 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 04:21:33,714 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 04:21:33,715 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 04:21:33,715 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 04:21:33,716 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 04:21:33,716 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 04:21:33,716 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 04:21:33,716 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 04:21:33,717 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 04:21:33,718 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 04:21:33,718 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 04:21:33,718 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 04:21:33,718 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 04:21:33,719 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 04:21:33,719 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 04:21:33,719 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 04:21:33,719 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 04:21:33,719 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 04:21:33,720 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 04:21:33,720 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 04:21:34,082 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 04:21:34,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 04:21:34,108 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 04:21:34,110 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 04:21:34,112 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 04:21:34,113 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-08-19 04:21:34,189 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ffaf5cec/f50efdfae25c44d8ba990d2c1599738b/FLAG240448326 [2020-08-19 04:21:34,656 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 04:21:34,657 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-1.c [2020-08-19 04:21:34,663 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ffaf5cec/f50efdfae25c44d8ba990d2c1599738b/FLAG240448326 [2020-08-19 04:21:35,012 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/5ffaf5cec/f50efdfae25c44d8ba990d2c1599738b [2020-08-19 04:21:35,020 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 04:21:35,022 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 04:21:35,023 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 04:21:35,023 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 04:21:35,027 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 04:21:35,028 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:21:35" (1/1) ... [2020-08-19 04:21:35,033 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@7f58caab and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35, skipping insertion in model container [2020-08-19 04:21:35,033 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 04:21:35" (1/1) ... [2020-08-19 04:21:35,041 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 04:21:35,062 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 04:21:35,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:21:35,236 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 04:21:35,253 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 04:21:35,265 INFO L208 MainTranslator]: Completed translation [2020-08-19 04:21:35,266 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35 WrapperNode [2020-08-19 04:21:35,266 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 04:21:35,267 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 04:21:35,267 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 04:21:35,267 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 04:21:35,279 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35" (1/1) ... [2020-08-19 04:21:35,280 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35" (1/1) ... [2020-08-19 04:21:35,363 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35" (1/1) ... [2020-08-19 04:21:35,363 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35" (1/1) ... [2020-08-19 04:21:35,368 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35" (1/1) ... [2020-08-19 04:21:35,370 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35" (1/1) ... [2020-08-19 04:21:35,372 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35" (1/1) ... [2020-08-19 04:21:35,373 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 04:21:35,374 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 04:21:35,374 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 04:21:35,374 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 04:21:35,375 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 04:21:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 04:21:35,444 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 04:21:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-19 04:21:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-19 04:21:35,445 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 04:21:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 04:21:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 04:21:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-19 04:21:35,445 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-19 04:21:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 04:21:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 04:21:35,446 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 04:21:35,655 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 04:21:35,656 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 04:21:35,660 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:21:35 BoogieIcfgContainer [2020-08-19 04:21:35,660 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 04:21:35,662 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 04:21:35,662 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 04:21:35,665 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 04:21:35,665 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 04:21:35" (1/3) ... [2020-08-19 04:21:35,666 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de20fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:21:35, skipping insertion in model container [2020-08-19 04:21:35,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 04:21:35" (2/3) ... [2020-08-19 04:21:35,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6de20fc8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 04:21:35, skipping insertion in model container [2020-08-19 04:21:35,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 04:21:35" (3/3) ... [2020-08-19 04:21:35,669 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-1.c [2020-08-19 04:21:35,680 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 04:21:35,688 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 04:21:35,703 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 04:21:35,744 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 04:21:35,744 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 04:21:35,745 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 04:21:35,745 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 04:21:35,745 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 04:21:35,746 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 04:21:35,746 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 04:21:35,746 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 04:21:35,773 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-19 04:21:35,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-19 04:21:35,782 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:35,783 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:35,784 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:35,791 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:35,792 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-19 04:21:35,801 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:35,802 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [702287371] [2020-08-19 04:21:35,802 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:35,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:35,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:35,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,011 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 04:21:36,012 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [702287371] [2020-08-19 04:21:36,013 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:21:36,014 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 04:21:36,015 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1070009285] [2020-08-19 04:21:36,020 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 04:21:36,020 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:36,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 04:21:36,032 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-19 04:21:36,034 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-19 04:21:36,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:36,158 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-19 04:21:36,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 04:21:36,162 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-19 04:21:36,162 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:36,172 INFO L225 Difference]: With dead ends: 44 [2020-08-19 04:21:36,172 INFO L226 Difference]: Without dead ends: 30 [2020-08-19 04:21:36,176 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-19 04:21:36,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-19 04:21:36,222 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-19 04:21:36,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-19 04:21:36,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-19 04:21:36,227 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-19 04:21:36,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:36,227 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-19 04:21:36,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 04:21:36,228 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-19 04:21:36,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-19 04:21:36,230 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:36,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:36,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 04:21:36,231 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:36,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:36,231 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-19 04:21:36,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:36,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [346469172] [2020-08-19 04:21:36,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:36,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:36,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:36,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,316 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 04:21:36,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [346469172] [2020-08-19 04:21:36,317 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 04:21:36,317 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 04:21:36,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1508828775] [2020-08-19 04:21:36,320 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 04:21:36,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:36,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 04:21:36,321 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-19 04:21:36,321 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-19 04:21:36,406 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:36,407 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-19 04:21:36,408 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 04:21:36,408 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-19 04:21:36,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:36,410 INFO L225 Difference]: With dead ends: 36 [2020-08-19 04:21:36,410 INFO L226 Difference]: Without dead ends: 32 [2020-08-19 04:21:36,411 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-19 04:21:36,412 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-19 04:21:36,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-19 04:21:36,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-19 04:21:36,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-19 04:21:36,422 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-19 04:21:36,423 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:36,423 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-19 04:21:36,423 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 04:21:36,423 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-19 04:21:36,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-19 04:21:36,425 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:36,425 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:36,426 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 04:21:36,426 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:36,426 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:36,427 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-19 04:21:36,427 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:36,427 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [652664042] [2020-08-19 04:21:36,428 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:36,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:36,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:36,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:36,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:21:36,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,606 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 04:21:36,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [652664042] [2020-08-19 04:21:36,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:36,608 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 04:21:36,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [812570714] [2020-08-19 04:21:36,609 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 04:21:36,609 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:36,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 04:21:36,610 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-19 04:21:36,610 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-19 04:21:36,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:36,720 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-19 04:21:36,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 04:21:36,721 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-19 04:21:36,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:36,723 INFO L225 Difference]: With dead ends: 58 [2020-08-19 04:21:36,723 INFO L226 Difference]: Without dead ends: 34 [2020-08-19 04:21:36,725 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:21:36,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-19 04:21:36,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-19 04:21:36,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-19 04:21:36,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-19 04:21:36,735 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-19 04:21:36,735 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:36,735 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-19 04:21:36,736 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 04:21:36,736 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-19 04:21:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-19 04:21:36,737 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:36,738 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:36,738 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 04:21:36,738 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:36,739 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:36,739 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-19 04:21:36,739 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:36,740 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1961368766] [2020-08-19 04:21:36,740 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:36,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:36,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:36,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:36,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:36,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:36,854 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 04:21:36,855 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1961368766] [2020-08-19 04:21:36,855 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:36,856 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 04:21:36,856 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [519369977] [2020-08-19 04:21:36,857 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 04:21:36,857 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:36,857 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 04:21:36,858 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-19 04:21:36,858 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-19 04:21:37,087 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:37,088 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-19 04:21:37,089 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 04:21:37,089 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-19 04:21:37,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:37,092 INFO L225 Difference]: With dead ends: 54 [2020-08-19 04:21:37,093 INFO L226 Difference]: Without dead ends: 50 [2020-08-19 04:21:37,093 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-19 04:21:37,094 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-19 04:21:37,104 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-19 04:21:37,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-19 04:21:37,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-19 04:21:37,107 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-19 04:21:37,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:37,107 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-19 04:21:37,108 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 04:21:37,108 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-19 04:21:37,110 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-19 04:21:37,110 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:37,110 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:37,111 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 04:21:37,111 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:37,111 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:37,111 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-19 04:21:37,112 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:37,112 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [283754527] [2020-08-19 04:21:37,112 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:37,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:37,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:37,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:37,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 04:21:37,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 04:21:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-19 04:21:37,239 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [283754527] [2020-08-19 04:21:37,240 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:37,240 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-19 04:21:37,240 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [702127066] [2020-08-19 04:21:37,241 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 04:21:37,241 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:37,241 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 04:21:37,242 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-19 04:21:37,242 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-19 04:21:37,316 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:37,316 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-19 04:21:37,317 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-19 04:21:37,317 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-19 04:21:37,317 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:37,319 INFO L225 Difference]: With dead ends: 94 [2020-08-19 04:21:37,319 INFO L226 Difference]: Without dead ends: 52 [2020-08-19 04:21:37,320 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-19 04:21:37,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-19 04:21:37,330 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-19 04:21:37,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-19 04:21:37,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-19 04:21:37,333 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-19 04:21:37,333 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:37,333 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-19 04:21:37,333 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 04:21:37,333 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-19 04:21:37,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-19 04:21:37,336 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:37,336 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:37,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 04:21:37,336 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:37,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:37,337 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-19 04:21:37,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:37,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1365465607] [2020-08-19 04:21:37,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:37,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:37,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:37,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:37,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:37,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:37,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,495 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-19 04:21:37,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1365465607] [2020-08-19 04:21:37,496 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:37,496 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 04:21:37,496 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1658152969] [2020-08-19 04:21:37,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:21:37,497 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:37,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:21:37,498 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:21:37,498 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-19 04:21:37,613 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:37,613 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-19 04:21:37,614 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 04:21:37,614 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-19 04:21:37,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:37,617 INFO L225 Difference]: With dead ends: 103 [2020-08-19 04:21:37,617 INFO L226 Difference]: Without dead ends: 57 [2020-08-19 04:21:37,618 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:21:37,619 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-19 04:21:37,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-19 04:21:37,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-19 04:21:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-19 04:21:37,631 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-19 04:21:37,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:37,632 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-19 04:21:37,632 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:21:37,632 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-19 04:21:37,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-19 04:21:37,634 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:37,635 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:37,635 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 04:21:37,635 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:37,635 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:37,635 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-19 04:21:37,636 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:37,636 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2040664323] [2020-08-19 04:21:37,636 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:37,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:37,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:37,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:37,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:37,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:37,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:37,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:37,769 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-19 04:21:37,770 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2040664323] [2020-08-19 04:21:37,770 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:37,770 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 04:21:37,771 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321355408] [2020-08-19 04:21:37,771 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:21:37,772 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:37,772 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:21:37,772 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:21:37,773 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-19 04:21:37,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:37,976 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-19 04:21:37,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 04:21:37,977 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-19 04:21:37,978 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:37,980 INFO L225 Difference]: With dead ends: 86 [2020-08-19 04:21:37,980 INFO L226 Difference]: Without dead ends: 82 [2020-08-19 04:21:37,981 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:21:37,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-19 04:21:37,995 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-19 04:21:37,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-19 04:21:37,998 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-19 04:21:37,998 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-19 04:21:37,999 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:37,999 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-19 04:21:37,999 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:21:37,999 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-19 04:21:38,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-19 04:21:38,002 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:38,003 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:38,003 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 04:21:38,003 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:38,004 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:38,004 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-19 04:21:38,004 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:38,004 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [38243544] [2020-08-19 04:21:38,004 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:38,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:38,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:38,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 04:21:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,139 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-19 04:21:38,139 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [38243544] [2020-08-19 04:21:38,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:38,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 04:21:38,140 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202310013] [2020-08-19 04:21:38,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 04:21:38,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:38,141 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 04:21:38,141 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 04:21:38,142 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-19 04:21:38,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:38,263 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-19 04:21:38,264 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 04:21:38,264 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-19 04:21:38,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:38,266 INFO L225 Difference]: With dead ends: 167 [2020-08-19 04:21:38,266 INFO L226 Difference]: Without dead ends: 94 [2020-08-19 04:21:38,267 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:21:38,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-19 04:21:38,282 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-19 04:21:38,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-19 04:21:38,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-19 04:21:38,285 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-19 04:21:38,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:38,285 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-19 04:21:38,286 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 04:21:38,286 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-19 04:21:38,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-19 04:21:38,289 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:38,289 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:38,289 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 04:21:38,289 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:38,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:38,290 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-19 04:21:38,290 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:38,290 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2146665159] [2020-08-19 04:21:38,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:38,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:38,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:38,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:38,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:38,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:38,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,440 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-19 04:21:38,441 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2146665159] [2020-08-19 04:21:38,441 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:38,441 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 04:21:38,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [982257868] [2020-08-19 04:21:38,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 04:21:38,442 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:38,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 04:21:38,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:21:38,443 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-19 04:21:38,680 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:38,680 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-19 04:21:38,681 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 04:21:38,681 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-19 04:21:38,682 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:38,683 INFO L225 Difference]: With dead ends: 188 [2020-08-19 04:21:38,684 INFO L226 Difference]: Without dead ends: 109 [2020-08-19 04:21:38,685 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:21:38,686 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-19 04:21:38,701 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-19 04:21:38,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-19 04:21:38,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-19 04:21:38,704 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-19 04:21:38,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:38,705 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-19 04:21:38,705 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 04:21:38,705 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-19 04:21:38,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-19 04:21:38,707 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:38,708 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:38,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 04:21:38,708 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:38,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:38,709 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-19 04:21:38,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:38,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1657961994] [2020-08-19 04:21:38,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:38,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:38,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:38,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:38,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:38,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:38,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:38,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:38,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:39,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:39,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:39,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,046 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-19 04:21:39,046 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1657961994] [2020-08-19 04:21:39,047 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:39,047 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 04:21:39,048 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [965275547] [2020-08-19 04:21:39,049 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 04:21:39,049 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:39,049 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 04:21:39,050 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:21:39,050 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-19 04:21:39,484 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:39,485 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-19 04:21:39,485 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-19 04:21:39,485 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-19 04:21:39,486 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:39,487 INFO L225 Difference]: With dead ends: 199 [2020-08-19 04:21:39,488 INFO L226 Difference]: Without dead ends: 86 [2020-08-19 04:21:39,489 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-08-19 04:21:39,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-19 04:21:39,498 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-19 04:21:39,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-19 04:21:39,499 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-19 04:21:39,500 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-19 04:21:39,500 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:39,501 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-19 04:21:39,501 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 04:21:39,501 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-19 04:21:39,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-19 04:21:39,502 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:39,503 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:39,503 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 04:21:39,503 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:39,503 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:39,504 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-19 04:21:39,504 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:39,504 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [803522687] [2020-08-19 04:21:39,504 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:39,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:39,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:39,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:39,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:39,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:39,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:39,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:39,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 04:21:39,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:39,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:39,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:39,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:39,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:39,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:39,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:39,734 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-19 04:21:39,734 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [803522687] [2020-08-19 04:21:39,734 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:39,735 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 04:21:39,735 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [379653528] [2020-08-19 04:21:39,735 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 04:21:39,736 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:39,736 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 04:21:39,736 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-19 04:21:39,736 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-19 04:21:39,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:39,938 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-19 04:21:39,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 04:21:39,939 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-19 04:21:39,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:39,940 INFO L225 Difference]: With dead ends: 142 [2020-08-19 04:21:39,941 INFO L226 Difference]: Without dead ends: 78 [2020-08-19 04:21:39,942 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:21:39,942 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-19 04:21:39,950 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-19 04:21:39,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-19 04:21:39,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-19 04:21:39,952 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-19 04:21:39,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:39,952 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-19 04:21:39,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 04:21:39,952 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-19 04:21:39,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-19 04:21:39,954 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:39,954 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:39,955 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 04:21:39,955 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:39,955 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:39,955 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-19 04:21:39,956 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:39,956 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1225369186] [2020-08-19 04:21:39,956 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:39,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:40,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:40,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:40,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,363 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 10 [2020-08-19 04:21:40,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-19 04:21:40,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:40,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 04:21:40,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,529 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 3 [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 10 [2020-08-19 04:21:40,549 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 23 [2020-08-19 04:21:40,552 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 37 [2020-08-19 04:21:40,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:40,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-19 04:21:40,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:40,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:40,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:40,684 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-19 04:21:40,684 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1225369186] [2020-08-19 04:21:40,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:40,685 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-19 04:21:40,685 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [221331791] [2020-08-19 04:21:40,686 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-19 04:21:40,686 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:40,686 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-19 04:21:40,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-19 04:21:40,687 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-19 04:21:41,229 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:41,229 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-19 04:21:41,230 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-19 04:21:41,230 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-19 04:21:41,230 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:41,232 INFO L225 Difference]: With dead ends: 184 [2020-08-19 04:21:41,232 INFO L226 Difference]: Without dead ends: 111 [2020-08-19 04:21:41,234 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-19 04:21:41,235 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-19 04:21:41,244 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-19 04:21:41,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-19 04:21:41,246 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-19 04:21:41,246 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-19 04:21:41,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:41,247 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-19 04:21:41,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-19 04:21:41,247 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-19 04:21:41,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-19 04:21:41,249 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:41,249 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:41,249 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-19 04:21:41,250 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:41,250 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:41,250 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-19 04:21:41,250 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:41,251 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1923293736] [2020-08-19 04:21:41,251 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:41,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:41,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:41,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:41,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:41,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:41,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:41,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 04:21:41,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:41,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-19 04:21:41,553 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1923293736] [2020-08-19 04:21:41,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:41,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 04:21:41,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [751700468] [2020-08-19 04:21:41,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 04:21:41,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:41,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 04:21:41,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:21:41,555 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-19 04:21:41,811 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:41,812 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-19 04:21:41,812 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 04:21:41,813 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-19 04:21:41,813 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:41,814 INFO L225 Difference]: With dead ends: 188 [2020-08-19 04:21:41,815 INFO L226 Difference]: Without dead ends: 101 [2020-08-19 04:21:41,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-19 04:21:41,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-19 04:21:41,824 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-19 04:21:41,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-19 04:21:41,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-19 04:21:41,826 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-19 04:21:41,827 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:41,827 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-19 04:21:41,827 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 04:21:41,827 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-19 04:21:41,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-19 04:21:41,830 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:41,830 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:41,830 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-19 04:21:41,830 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:41,831 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:41,831 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-19 04:21:41,831 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:41,831 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [409451273] [2020-08-19 04:21:41,832 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:41,843 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 0 [2020-08-19 04:21:41,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:41,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:41,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:42,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:42,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:42,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:42,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:42,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:42,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:42,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-19 04:21:42,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:42,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:42,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:42,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,267 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-19 04:21:42,268 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [409451273] [2020-08-19 04:21:42,268 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:42,268 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 04:21:42,269 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [573099305] [2020-08-19 04:21:42,269 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 04:21:42,269 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:42,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 04:21:42,270 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:21:42,270 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-19 04:21:42,877 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:42,877 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-19 04:21:42,877 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 04:21:42,878 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-19 04:21:42,878 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:42,880 INFO L225 Difference]: With dead ends: 224 [2020-08-19 04:21:42,880 INFO L226 Difference]: Without dead ends: 131 [2020-08-19 04:21:42,881 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-19 04:21:42,882 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-19 04:21:42,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-19 04:21:42,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-19 04:21:42,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-19 04:21:42,891 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-19 04:21:42,891 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:42,892 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-19 04:21:42,892 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 04:21:42,892 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-19 04:21:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-19 04:21:42,894 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:42,894 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:42,895 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-19 04:21:42,895 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:42,895 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:42,895 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-19 04:21:42,895 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:42,896 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2103842700] [2020-08-19 04:21:42,896 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:42,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:42,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:42,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:43,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:43,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:43,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:43,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:43,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:43,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:43,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:43,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:43,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:43,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:43,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,254 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-19 04:21:43,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2103842700] [2020-08-19 04:21:43,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:43,255 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 04:21:43,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [726586860] [2020-08-19 04:21:43,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 04:21:43,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:43,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 04:21:43,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:21:43,258 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-19 04:21:43,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:43,584 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-19 04:21:43,584 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-19 04:21:43,585 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-19 04:21:43,585 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:43,588 INFO L225 Difference]: With dead ends: 244 [2020-08-19 04:21:43,588 INFO L226 Difference]: Without dead ends: 240 [2020-08-19 04:21:43,591 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-19 04:21:43,592 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-19 04:21:43,615 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-19 04:21:43,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-19 04:21:43,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-19 04:21:43,619 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-19 04:21:43,619 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:43,620 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-19 04:21:43,620 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 04:21:43,620 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-19 04:21:43,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-08-19 04:21:43,629 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:43,629 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 26, 26, 22, 21, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 8, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:43,630 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-19 04:21:43,630 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:43,630 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:43,630 INFO L82 PathProgramCache]: Analyzing trace with hash -1635105538, now seen corresponding path program 4 times [2020-08-19 04:21:43,631 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:43,631 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [463968662] [2020-08-19 04:21:43,631 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:43,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:43,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:43,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:43,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:43,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:43,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:44,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 04:21:44,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:44,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-19 04:21:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:44,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:44,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:44,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 04:21:44,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:44,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:44,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:44,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:44,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:44,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,590 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 201 proven. 576 refuted. 0 times theorem prover too weak. 3264 trivial. 0 not checked. [2020-08-19 04:21:44,591 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [463968662] [2020-08-19 04:21:44,591 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:44,591 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 04:21:44,592 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1626736252] [2020-08-19 04:21:44,592 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 04:21:44,592 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:44,593 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 04:21:44,593 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-19 04:21:44,593 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-19 04:21:44,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:44,864 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-19 04:21:44,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-19 04:21:44,864 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 380 [2020-08-19 04:21:44,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:44,868 INFO L225 Difference]: With dead ends: 429 [2020-08-19 04:21:44,868 INFO L226 Difference]: Without dead ends: 225 [2020-08-19 04:21:44,870 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-19 04:21:44,871 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-19 04:21:44,884 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-19 04:21:44,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-19 04:21:44,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-19 04:21:44,888 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 380 [2020-08-19 04:21:44,888 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:44,889 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-19 04:21:44,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 04:21:44,889 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-19 04:21:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-19 04:21:44,893 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:44,893 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:44,893 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-19 04:21:44,893 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:44,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:44,894 INFO L82 PathProgramCache]: Analyzing trace with hash 657587316, now seen corresponding path program 5 times [2020-08-19 04:21:44,894 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:44,894 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363837765] [2020-08-19 04:21:44,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:44,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:44,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:44,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,123 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 3 [2020-08-19 04:21:45,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:45,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [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 10 [2020-08-19 04:21:45,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:45,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:45,211 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 23 [2020-08-19 04:21:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:45,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:45,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-19 04:21:45,301 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 3 [2020-08-19 04:21:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [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 23 [2020-08-19 04:21:45,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,318 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 04:21:45,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:45,321 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 10 [2020-08-19 04:21:45,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,406 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 200 proven. 324 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-19 04:21:45,406 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363837765] [2020-08-19 04:21:45,406 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:45,407 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 04:21:45,407 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1904694520] [2020-08-19 04:21:45,408 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 04:21:45,409 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:45,409 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 04:21:45,409 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:21:45,409 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 14 states. [2020-08-19 04:21:45,852 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:45,853 INFO L93 Difference]: Finished difference Result 454 states and 689 transitions. [2020-08-19 04:21:45,853 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-19 04:21:45,853 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-19 04:21:45,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:45,859 INFO L225 Difference]: With dead ends: 454 [2020-08-19 04:21:45,859 INFO L226 Difference]: Without dead ends: 246 [2020-08-19 04:21:45,862 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-19 04:21:45,862 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-08-19 04:21:45,877 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2020-08-19 04:21:45,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-08-19 04:21:45,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2020-08-19 04:21:45,880 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 218 [2020-08-19 04:21:45,881 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:45,881 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2020-08-19 04:21:45,881 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 04:21:45,881 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2020-08-19 04:21:45,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-19 04:21:45,885 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:45,885 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:45,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-19 04:21:45,886 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:45,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:45,886 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 6 times [2020-08-19 04:21:45,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:45,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1422084484] [2020-08-19 04:21:45,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:45,899 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 0 [2020-08-19 04:21:45,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:45,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:46,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:46,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:46,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:46,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:46,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:46,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:46,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:46,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:46,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:46,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:46,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:46,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:21:46,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:46,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:46,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:46,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:46,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:46,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:46,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:46,585 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-19 04:21:46,586 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1422084484] [2020-08-19 04:21:46,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:46,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 04:21:46,587 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1506226447] [2020-08-19 04:21:46,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 04:21:46,588 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:46,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 04:21:46,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-19 04:21:46,588 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand 12 states. [2020-08-19 04:21:46,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:46,954 INFO L93 Difference]: Finished difference Result 487 states and 755 transitions. [2020-08-19 04:21:46,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 04:21:46,955 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-19 04:21:46,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:46,963 INFO L225 Difference]: With dead ends: 487 [2020-08-19 04:21:46,963 INFO L226 Difference]: Without dead ends: 483 [2020-08-19 04:21:46,965 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-19 04:21:46,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-08-19 04:21:46,996 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2020-08-19 04:21:46,997 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-19 04:21:47,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 717 transitions. [2020-08-19 04:21:47,005 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 717 transitions. Word has length 286 [2020-08-19 04:21:47,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:47,006 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 717 transitions. [2020-08-19 04:21:47,006 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 04:21:47,006 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 717 transitions. [2020-08-19 04:21:47,022 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-08-19 04:21:47,023 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:47,023 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 24, 22, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 8, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:47,024 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-19 04:21:47,024 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:47,024 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:47,025 INFO L82 PathProgramCache]: Analyzing trace with hash 2114796199, now seen corresponding path program 7 times [2020-08-19 04:21:47,025 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:47,025 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1474522124] [2020-08-19 04:21:47,025 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:47,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:47,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:47,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:47,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:47,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:47,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:47,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:47,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-19 04:21:47,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:47,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:47,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-19 04:21:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:47,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:47,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:47,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:47,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:47,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:47,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:47,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:47,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:47,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:47,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:48,149 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 289 proven. 900 refuted. 0 times theorem prover too weak. 3182 trivial. 0 not checked. [2020-08-19 04:21:48,149 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1474522124] [2020-08-19 04:21:48,149 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:48,150 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 04:21:48,150 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2014143273] [2020-08-19 04:21:48,151 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 04:21:48,151 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:48,151 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 04:21:48,151 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:21:48,151 INFO L87 Difference]: Start difference. First operand 463 states and 717 transitions. Second operand 14 states. [2020-08-19 04:21:48,576 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:48,576 INFO L93 Difference]: Finished difference Result 978 states and 1610 transitions. [2020-08-19 04:21:48,577 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 04:21:48,577 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 395 [2020-08-19 04:21:48,577 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:48,584 INFO L225 Difference]: With dead ends: 978 [2020-08-19 04:21:48,585 INFO L226 Difference]: Without dead ends: 529 [2020-08-19 04:21:48,589 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-19 04:21:48,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-08-19 04:21:48,621 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 502. [2020-08-19 04:21:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-08-19 04:21:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 738 transitions. [2020-08-19 04:21:48,630 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 738 transitions. Word has length 395 [2020-08-19 04:21:48,631 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:48,631 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 738 transitions. [2020-08-19 04:21:48,631 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 04:21:48,631 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2020-08-19 04:21:48,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-08-19 04:21:48,670 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:48,671 INFO L422 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 40, 38, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 16, 14, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:48,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-19 04:21:48,671 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:48,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:48,672 INFO L82 PathProgramCache]: Analyzing trace with hash -85106141, now seen corresponding path program 8 times [2020-08-19 04:21:48,673 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:48,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [631954853] [2020-08-19 04:21:48,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:48,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:49,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:49,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,463 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 3 [2020-08-19 04:21:49,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:49,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:49,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,565 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 10 [2020-08-19 04:21:49,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:49,569 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 105 [2020-08-19 04:21:49,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,597 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 3 [2020-08-19 04:21:49,602 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 3 [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 10 [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 23 [2020-08-19 04:21:49,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,612 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 3 [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 10 [2020-08-19 04:21:49,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:21:49,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:49,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:49,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:49,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:49,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:49,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-19 04:21:49,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,316 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 3 [2020-08-19 04:21:50,345 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 3 [2020-08-19 04:21:50,372 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 10 [2020-08-19 04:21:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:50,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:50,406 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 3 [2020-08-19 04:21:50,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,427 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 10 [2020-08-19 04:21:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:50,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:50,470 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 3 [2020-08-19 04:21:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,503 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 3 [2020-08-19 04:21:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [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 3 [2020-08-19 04:21:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:50,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:21:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:50,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:50,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:50,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:50,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:50,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:50,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:50,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:50,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:50,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:50,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-19 04:21:51,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:51,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:51,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:51,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:51,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:51,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:51,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:51,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:51,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:51,635 INFO L134 CoverageAnalysis]: Checked inductivity of 12907 backedges. 1905 proven. 2947 refuted. 0 times theorem prover too weak. 8055 trivial. 0 not checked. [2020-08-19 04:21:51,636 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [631954853] [2020-08-19 04:21:51,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:51,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-19 04:21:51,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1482680891] [2020-08-19 04:21:51,637 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-19 04:21:51,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:51,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-19 04:21:51,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2020-08-19 04:21:51,638 INFO L87 Difference]: Start difference. First operand 502 states and 738 transitions. Second operand 29 states. [2020-08-19 04:21:53,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:53,526 INFO L93 Difference]: Finished difference Result 751 states and 1196 transitions. [2020-08-19 04:21:53,526 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-08-19 04:21:53,526 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 667 [2020-08-19 04:21:53,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:53,530 INFO L225 Difference]: With dead ends: 751 [2020-08-19 04:21:53,530 INFO L226 Difference]: Without dead ends: 215 [2020-08-19 04:21:53,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 1.2s TimeCoverageRelationStatistics Valid=588, Invalid=4814, Unknown=0, NotChecked=0, Total=5402 [2020-08-19 04:21:53,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-08-19 04:21:53,546 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 165. [2020-08-19 04:21:53,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-19 04:21:53,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 225 transitions. [2020-08-19 04:21:53,548 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 225 transitions. Word has length 667 [2020-08-19 04:21:53,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:53,549 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 225 transitions. [2020-08-19 04:21:53,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-19 04:21:53,550 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2020-08-19 04:21:53,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-08-19 04:21:53,564 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:53,564 INFO L422 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 31, 31, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 12, 12, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:53,565 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-19 04:21:53,565 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:53,565 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:53,565 INFO L82 PathProgramCache]: Analyzing trace with hash 1759823621, now seen corresponding path program 9 times [2020-08-19 04:21:53,566 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:53,566 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [822793920] [2020-08-19 04:21:53,566 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:53,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:53,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:53,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:53,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:54,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:54,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:54,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:54,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:54,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:54,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:21:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:54,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:54,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:54,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:54,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:21:54,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:54,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:54,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-08-19 04:21:54,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:54,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:54,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:55,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:55,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:55,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:55,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:55,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:55,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:55,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:55,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:55,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:55,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:55,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:55,496 INFO L134 CoverageAnalysis]: Checked inductivity of 8074 backedges. 704 proven. 1703 refuted. 0 times theorem prover too weak. 5667 trivial. 0 not checked. [2020-08-19 04:21:55,498 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [822793920] [2020-08-19 04:21:55,498 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:55,498 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 04:21:55,498 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [317978778] [2020-08-19 04:21:55,499 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 04:21:55,500 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:55,500 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 04:21:55,500 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-08-19 04:21:55,500 INFO L87 Difference]: Start difference. First operand 165 states and 225 transitions. Second operand 18 states. [2020-08-19 04:21:56,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:56,555 INFO L93 Difference]: Finished difference Result 374 states and 586 transitions. [2020-08-19 04:21:56,556 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-19 04:21:56,556 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 531 [2020-08-19 04:21:56,557 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:56,562 INFO L225 Difference]: With dead ends: 374 [2020-08-19 04:21:56,562 INFO L226 Difference]: Without dead ends: 226 [2020-08-19 04:21:56,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=293, Invalid=1777, Unknown=0, NotChecked=0, Total=2070 [2020-08-19 04:21:56,566 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-08-19 04:21:56,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 183. [2020-08-19 04:21:56,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-08-19 04:21:56,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 256 transitions. [2020-08-19 04:21:56,594 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 256 transitions. Word has length 531 [2020-08-19 04:21:56,596 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:56,596 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 256 transitions. [2020-08-19 04:21:56,596 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 04:21:56,596 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 256 transitions. [2020-08-19 04:21:56,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-19 04:21:56,602 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:56,602 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 14, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:56,603 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-19 04:21:56,603 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:56,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:56,604 INFO L82 PathProgramCache]: Analyzing trace with hash 2122481566, now seen corresponding path program 10 times [2020-08-19 04:21:56,604 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:56,604 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1918237120] [2020-08-19 04:21:56,604 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:56,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:56,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:56,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:56,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:56,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:57,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:57,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:57,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:57,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:21:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:57,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:21:57,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:57,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:57,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:21:57,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:21:57,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:21:57,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:21:57,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:57,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:21:57,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:57,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:21:57,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:58,255 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 913 proven. 1781 refuted. 0 times theorem prover too weak. 6719 trivial. 0 not checked. [2020-08-19 04:21:58,255 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1918237120] [2020-08-19 04:21:58,255 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:21:58,256 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-19 04:21:58,256 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1133698962] [2020-08-19 04:21:58,256 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-19 04:21:58,257 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:21:58,257 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-19 04:21:58,257 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-19 04:21:58,257 INFO L87 Difference]: Start difference. First operand 183 states and 256 transitions. Second operand 20 states. [2020-08-19 04:21:59,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:21:59,470 INFO L93 Difference]: Finished difference Result 374 states and 594 transitions. [2020-08-19 04:21:59,474 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-19 04:21:59,474 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 572 [2020-08-19 04:21:59,477 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:21:59,480 INFO L225 Difference]: With dead ends: 374 [2020-08-19 04:21:59,480 INFO L226 Difference]: Without dead ends: 214 [2020-08-19 04:21:59,483 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-19 04:21:59,483 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-08-19 04:21:59,495 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 207. [2020-08-19 04:21:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-08-19 04:21:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 299 transitions. [2020-08-19 04:21:59,498 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 299 transitions. Word has length 572 [2020-08-19 04:21:59,498 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:21:59,498 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 299 transitions. [2020-08-19 04:21:59,498 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-19 04:21:59,499 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 299 transitions. [2020-08-19 04:21:59,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-19 04:21:59,504 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:21:59,504 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 45, 45, 38, 37, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 22, 22, 22, 22, 16, 13, 10, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:21:59,505 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-19 04:21:59,505 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:21:59,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:21:59,505 INFO L82 PathProgramCache]: Analyzing trace with hash -1490795651, now seen corresponding path program 11 times [2020-08-19 04:21:59,505 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:21:59,506 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [79465798] [2020-08-19 04:21:59,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:21:59,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:59,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:21:59,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:59,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:21:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:21:59,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:21:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:00,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:00,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:00,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:00,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:00,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:00,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-19 04:22:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:00,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-19 04:22:00,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:00,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:00,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:00,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:00,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:00,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:00,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:00,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:00,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:00,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:00,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:00,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:01,430 INFO L134 CoverageAnalysis]: Checked inductivity of 11869 backedges. 567 proven. 1942 refuted. 0 times theorem prover too weak. 9360 trivial. 0 not checked. [2020-08-19 04:22:01,431 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [79465798] [2020-08-19 04:22:01,431 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:22:01,431 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-19 04:22:01,431 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [358402216] [2020-08-19 04:22:01,432 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-19 04:22:01,432 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:22:01,433 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-19 04:22:01,433 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-19 04:22:01,433 INFO L87 Difference]: Start difference. First operand 207 states and 299 transitions. Second operand 16 states. [2020-08-19 04:22:02,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:22:02,071 INFO L93 Difference]: Finished difference Result 407 states and 612 transitions. [2020-08-19 04:22:02,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 04:22:02,072 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 640 [2020-08-19 04:22:02,073 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:22:02,077 INFO L225 Difference]: With dead ends: 407 [2020-08-19 04:22:02,077 INFO L226 Difference]: Without dead ends: 228 [2020-08-19 04:22:02,079 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-19 04:22:02,079 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-08-19 04:22:02,090 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 215. [2020-08-19 04:22:02,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-08-19 04:22:02,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 309 transitions. [2020-08-19 04:22:02,093 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 309 transitions. Word has length 640 [2020-08-19 04:22:02,093 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:22:02,093 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 309 transitions. [2020-08-19 04:22:02,093 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-19 04:22:02,094 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2020-08-19 04:22:02,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2020-08-19 04:22:02,103 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:22:02,104 INFO L422 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 57, 57, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 22, 22, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:22:02,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-19 04:22:02,104 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:22:02,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:22:02,105 INFO L82 PathProgramCache]: Analyzing trace with hash 801018439, now seen corresponding path program 12 times [2020-08-19 04:22:02,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:22:02,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [968466978] [2020-08-19 04:22:02,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:22:02,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:02,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:22:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:02,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:22:02,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:03,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:03,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:03,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:03,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:03,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:03,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:03,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:03,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:03,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:03,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:03,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:03,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:03,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:03,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:03,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:03,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:22:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:03,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:04,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:04,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:04,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:04,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:04,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:22:04,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:04,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:04,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2020-08-19 04:22:04,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:04,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:04,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:04,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:04,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:04,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:04,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:04,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:04,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:04,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:04,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:04,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:05,703 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 1354 proven. 4110 refuted. 0 times theorem prover too weak. 22088 trivial. 0 not checked. [2020-08-19 04:22:05,703 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [968466978] [2020-08-19 04:22:05,703 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:22:05,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-19 04:22:05,704 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1935540939] [2020-08-19 04:22:05,705 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-19 04:22:05,705 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:22:05,705 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-19 04:22:05,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-08-19 04:22:05,706 INFO L87 Difference]: Start difference. First operand 215 states and 309 transitions. Second operand 20 states. [2020-08-19 04:22:06,981 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:22:06,981 INFO L93 Difference]: Finished difference Result 448 states and 721 transitions. [2020-08-19 04:22:06,982 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-08-19 04:22:06,982 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 967 [2020-08-19 04:22:06,983 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:22:06,987 INFO L225 Difference]: With dead ends: 448 [2020-08-19 04:22:06,987 INFO L226 Difference]: Without dead ends: 257 [2020-08-19 04:22:06,990 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=382, Invalid=2480, Unknown=0, NotChecked=0, Total=2862 [2020-08-19 04:22:06,990 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-08-19 04:22:07,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 242. [2020-08-19 04:22:07,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-19 04:22:07,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 358 transitions. [2020-08-19 04:22:07,007 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 358 transitions. Word has length 967 [2020-08-19 04:22:07,008 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:22:07,008 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 358 transitions. [2020-08-19 04:22:07,008 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-19 04:22:07,008 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 358 transitions. [2020-08-19 04:22:07,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-08-19 04:22:07,016 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:22:07,016 INFO L422 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 47, 46, 29, 29, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 28, 28, 18, 18, 12, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:22:07,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-19 04:22:07,017 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:22:07,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:22:07,017 INFO L82 PathProgramCache]: Analyzing trace with hash 566872508, now seen corresponding path program 13 times [2020-08-19 04:22:07,018 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:22:07,018 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [649954641] [2020-08-19 04:22:07,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:22:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:07,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:22:07,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:07,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:22:07,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:07,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:07,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:07,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:07,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:07,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:07,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:08,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:08,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:08,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:08,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:08,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:08,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:22:08,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:08,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:08,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 04:22:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:08,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:08,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:08,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:08,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:08,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:22:08,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:08,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:08,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:08,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:08,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:08,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:08,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:09,574 INFO L134 CoverageAnalysis]: Checked inductivity of 18248 backedges. 879 proven. 2682 refuted. 0 times theorem prover too weak. 14687 trivial. 0 not checked. [2020-08-19 04:22:09,575 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [649954641] [2020-08-19 04:22:09,575 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:22:09,575 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 04:22:09,575 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [167744727] [2020-08-19 04:22:09,576 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 04:22:09,576 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:22:09,576 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 04:22:09,576 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-19 04:22:09,577 INFO L87 Difference]: Start difference. First operand 242 states and 358 transitions. Second operand 18 states. [2020-08-19 04:22:10,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:22:10,480 INFO L93 Difference]: Finished difference Result 476 states and 718 transitions. [2020-08-19 04:22:10,481 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-19 04:22:10,481 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 790 [2020-08-19 04:22:10,482 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:22:10,485 INFO L225 Difference]: With dead ends: 476 [2020-08-19 04:22:10,485 INFO L226 Difference]: Without dead ends: 260 [2020-08-19 04:22:10,487 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-19 04:22:10,488 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-08-19 04:22:10,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 242. [2020-08-19 04:22:10,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-19 04:22:10,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 349 transitions. [2020-08-19 04:22:10,504 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 349 transitions. Word has length 790 [2020-08-19 04:22:10,504 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:22:10,504 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 349 transitions. [2020-08-19 04:22:10,505 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 04:22:10,505 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 349 transitions. [2020-08-19 04:22:10,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-19 04:22:10,512 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:22:10,512 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:22:10,513 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-19 04:22:10,513 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:22:10,513 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:22:10,513 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 14 times [2020-08-19 04:22:10,513 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:22:10,514 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1162570461] [2020-08-19 04:22:10,514 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:22:10,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:10,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:22:10,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:10,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:22:11,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:11,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:11,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:11,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:11,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:11,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:22:11,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:11,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:11,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:11,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:11,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 04:22:11,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:11,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:11,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:11,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:11,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:11,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:11,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:11,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:12,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:12,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:12,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:12,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:12,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:12,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:12,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:12,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:12,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:12,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:12,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:12,485 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-19 04:22:12,486 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1162570461] [2020-08-19 04:22:12,486 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:22:12,486 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 04:22:12,486 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [242949145] [2020-08-19 04:22:12,487 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 04:22:12,487 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:22:12,487 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 04:22:12,487 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-19 04:22:12,487 INFO L87 Difference]: Start difference. First operand 242 states and 349 transitions. Second operand 14 states. [2020-08-19 04:22:12,959 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:22:12,959 INFO L93 Difference]: Finished difference Result 687 states and 1070 transitions. [2020-08-19 04:22:12,960 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 04:22:12,960 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-19 04:22:12,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:22:12,976 INFO L225 Difference]: With dead ends: 687 [2020-08-19 04:22:12,976 INFO L226 Difference]: Without dead ends: 683 [2020-08-19 04:22:12,978 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-19 04:22:12,980 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2020-08-19 04:22:13,050 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 630. [2020-08-19 04:22:13,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-08-19 04:22:13,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 974 transitions. [2020-08-19 04:22:13,059 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 974 transitions. Word has length 749 [2020-08-19 04:22:13,060 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:22:13,060 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 974 transitions. [2020-08-19 04:22:13,060 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 04:22:13,061 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 974 transitions. [2020-08-19 04:22:13,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1077 [2020-08-19 04:22:13,086 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:22:13,087 INFO L422 BasicCegarLoop]: trace histogram [79, 79, 78, 78, 64, 63, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 39, 25, 24, 16, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:22:13,087 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-19 04:22:13,088 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:22:13,088 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:22:13,089 INFO L82 PathProgramCache]: Analyzing trace with hash -1318090551, now seen corresponding path program 15 times [2020-08-19 04:22:13,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:22:13,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [77275028] [2020-08-19 04:22:13,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:22:13,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:14,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:22:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:14,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:22:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:14,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:15,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:15,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:15,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:15,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:15,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:15,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:15,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:15,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:15,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:15,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:15,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:15,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:15,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:15,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:15,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:15,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:15,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:15,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:22:15,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:16,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 04:22:16,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:16,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:16,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:16,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:16,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:16,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:16,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:16,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:22:16,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:16,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:16,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 786 [2020-08-19 04:22:16,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:16,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:16,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:16,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:16,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:17,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:17,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:17,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:17,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:17,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:17,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:17,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:17,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:17,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:17,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:17,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:17,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:17,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:17,901 INFO L134 CoverageAnalysis]: Checked inductivity of 34233 backedges. 1141 proven. 4104 refuted. 0 times theorem prover too weak. 28988 trivial. 0 not checked. [2020-08-19 04:22:17,901 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [77275028] [2020-08-19 04:22:17,901 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 04:22:17,901 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 04:22:17,902 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [693244691] [2020-08-19 04:22:17,902 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 04:22:17,902 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 04:22:17,903 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 04:22:17,903 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-19 04:22:17,903 INFO L87 Difference]: Start difference. First operand 630 states and 974 transitions. Second operand 18 states. [2020-08-19 04:22:18,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 04:22:18,820 INFO L93 Difference]: Finished difference Result 1269 states and 2019 transitions. [2020-08-19 04:22:18,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-19 04:22:18,821 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1076 [2020-08-19 04:22:18,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 04:22:18,829 INFO L225 Difference]: With dead ends: 1269 [2020-08-19 04:22:18,830 INFO L226 Difference]: Without dead ends: 665 [2020-08-19 04:22:18,835 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 355 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-19 04:22:18,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-08-19 04:22:18,870 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 639. [2020-08-19 04:22:18,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-08-19 04:22:18,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 950 transitions. [2020-08-19 04:22:18,875 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 950 transitions. Word has length 1076 [2020-08-19 04:22:18,876 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 04:22:18,876 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 950 transitions. [2020-08-19 04:22:18,876 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 04:22:18,876 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 950 transitions. [2020-08-19 04:22:18,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2020-08-19 04:22:18,891 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 04:22:18,892 INFO L422 BasicCegarLoop]: trace histogram [94, 94, 93, 93, 76, 75, 47, 47, 47, 47, 47, 47, 47, 46, 46, 46, 46, 46, 46, 46, 30, 28, 18, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 04:22:18,892 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-19 04:22:18,892 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 04:22:18,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 04:22:18,893 INFO L82 PathProgramCache]: Analyzing trace with hash 1402906014, now seen corresponding path program 16 times [2020-08-19 04:22:18,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 04:22:18,893 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2063451237] [2020-08-19 04:22:18,894 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 04:22:19,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:19,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 04:22:19,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:19,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 04:22:19,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:20,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:20,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:20,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:20,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:20,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:20,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:22:20,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:20,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:20,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 04:22:20,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:20,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:20,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:20,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:20,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:20,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:20,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:20,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:21,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-19 04:22:21,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:21,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:21,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:21,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:21,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 04:22:21,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:21,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 04:22:21,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:21,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:21,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:21,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 04:22:21,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:21,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 04:22:21,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:21,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:21,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:21,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:21,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 04:22:21,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:22,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:22,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:22,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:22,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:22,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:22,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:22,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:22,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:22,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 04:22:22,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:22,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 04:22:22,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:22,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 04:22:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 04:22:22,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 04:22:22,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat