/usr/bin/java -Xmx8000000000 -Xss4m -jar ./plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata ./data -tc ../../../trunk/examples/toolchains/AutomizerC.xml --traceabstraction.trace.refinement.strategy FIXED_PREFERENCES --traceabstraction.compute.interpolants.along.a.counterexample Craig_NestedInterpolation --traceabstraction.smt.solver Internal_SMTInterpol --traceabstraction.compute.trace.for.counterexample.result false --traceabstraction.use.minimal.unsat.core.enumeration true --traceabstraction.additional.smt.options enumeration-timeout=5000 --traceabstraction.additional.smt.options interpolation-heuristic=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.6 --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 00:34:32,685 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 00:34:32,688 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 00:34:32,727 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 00:34:32,728 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 00:34:32,737 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 00:34:32,739 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 00:34:32,742 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 00:34:32,745 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 00:34:32,747 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 00:34:32,748 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 00:34:32,749 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 00:34:32,749 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 00:34:32,752 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 00:34:32,755 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 00:34:32,756 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 00:34:32,757 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 00:34:32,758 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 00:34:32,759 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 00:34:32,768 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 00:34:32,770 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 00:34:32,771 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 00:34:32,772 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 00:34:32,773 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 00:34:32,785 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 00:34:32,792 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 00:34:32,792 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 00:34:32,793 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 00:34:32,794 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 00:34:32,795 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 00:34:32,797 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 00:34:32,798 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 00:34:32,798 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 00:34:32,799 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 00:34:32,800 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 00:34:32,800 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 00:34:32,801 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 00:34:32,801 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 00:34:32,801 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 00:34:32,802 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 00:34:32,802 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 00:34:32,803 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 [2020-08-22 00:34:32,826 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 00:34:32,827 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 00:34:32,828 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 00:34:32,828 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 00:34:32,828 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 00:34:32,829 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 00:34:32,829 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 00:34:32,829 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 00:34:32,829 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 00:34:32,829 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 00:34:32,829 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 00:34:32,830 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 00:34:32,830 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 00:34:32,830 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 00:34:32,830 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 00:34:32,830 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 00:34:32,831 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 00:34:32,831 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 00:34:32,831 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 00:34:32,831 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 00:34:32,831 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 00:34:32,832 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 00:34:32,832 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 00:34:32,832 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 00:34:32,832 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 00:34:32,832 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 00:34:32,833 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 00:34:32,833 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 00:34:32,833 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 00:34:32,833 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Trace refinement strategy -> FIXED_PREFERENCES Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute Interpolants along a Counterexample -> Craig_NestedInterpolation Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: SMT solver -> Internal_SMTInterpol Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Compute trace for counterexample result -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Use minimal unsat core enumeration -> true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.6;log-additional-information=true; [2020-08-22 00:34:33,160 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 00:34:33,177 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 00:34:33,184 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 00:34:33,186 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 00:34:33,187 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 00:34:33,188 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-22 00:34:33,256 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d4867b6a/6d456abd2a004832b507d292a09195eb/FLAG9e81e3e59 [2020-08-22 00:34:33,705 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 00:34:33,706 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-22 00:34:33,714 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d4867b6a/6d456abd2a004832b507d292a09195eb/FLAG9e81e3e59 [2020-08-22 00:34:34,082 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/6d4867b6a/6d456abd2a004832b507d292a09195eb [2020-08-22 00:34:34,090 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 00:34:34,092 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 00:34:34,093 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 00:34:34,093 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 00:34:34,097 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 00:34:34,098 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,101 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27030054 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34, skipping insertion in model container [2020-08-22 00:34:34,102 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,110 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 00:34:34,129 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 00:34:34,312 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:34:34,324 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 00:34:34,344 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 00:34:34,357 INFO L208 MainTranslator]: Completed translation [2020-08-22 00:34:34,357 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34 WrapperNode [2020-08-22 00:34:34,358 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 00:34:34,358 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 00:34:34,359 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 00:34:34,359 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 00:34:34,369 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,369 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,469 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,474 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,478 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,484 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (1/1) ... [2020-08-22 00:34:34,486 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 00:34:34,487 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 00:34:34,487 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 00:34:34,487 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 00:34:34,488 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (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 [2020-08-22 00:34:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 00:34:34,546 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 00:34:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-22 00:34:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-22 00:34:34,547 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 00:34:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 00:34:34,547 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 00:34:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-22 00:34:34,549 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-22 00:34:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 00:34:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 00:34:34,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 00:34:34,751 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 00:34:34,751 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 00:34:34,755 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:34:34 BoogieIcfgContainer [2020-08-22 00:34:34,756 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 00:34:34,757 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 00:34:34,757 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 00:34:34,760 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 00:34:34,761 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 12:34:34" (1/3) ... [2020-08-22 00:34:34,761 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b26587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:34:34, skipping insertion in model container [2020-08-22 00:34:34,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 12:34:34" (2/3) ... [2020-08-22 00:34:34,762 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@28b26587 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 12:34:34, skipping insertion in model container [2020-08-22 00:34:34,762 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 12:34:34" (3/3) ... [2020-08-22 00:34:34,764 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-08-22 00:34:34,784 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 00:34:34,801 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 00:34:34,822 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 00:34:34,854 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 00:34:34,854 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 00:34:34,854 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 00:34:34,854 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 00:34:34,854 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 00:34:34,855 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 00:34:34,855 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 00:34:34,855 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 00:34:34,881 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-22 00:34:34,889 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-22 00:34:34,890 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:34,891 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:34,891 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:34,899 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:34,900 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-22 00:34:34,910 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:34,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1304744426] [2020-08-22 00:34:34,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:35,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:35,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:35,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,130 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:34:35,131 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1304744426] [2020-08-22 00:34:35,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:34:35,134 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 00:34:35,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1339913173] [2020-08-22 00:34:35,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 00:34:35,142 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:35,157 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 00:34:35,158 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:34:35,161 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-22 00:34:35,270 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:35,270 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-22 00:34:35,271 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 00:34:35,273 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-22 00:34:35,274 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:35,287 INFO L225 Difference]: With dead ends: 44 [2020-08-22 00:34:35,287 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 00:34:35,291 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 [2020-08-22 00:34:35,314 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 00:34:35,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-22 00:34:35,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 00:34:35,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-22 00:34:35,349 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-22 00:34:35,350 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:35,350 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-22 00:34:35,350 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 00:34:35,351 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-22 00:34:35,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-22 00:34:35,353 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:35,353 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:35,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 00:34:35,354 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:35,354 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:35,355 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-22 00:34:35,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:35,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1264725298] [2020-08-22 00:34:35,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:35,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:35,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:35,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,467 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-22 00:34:35,468 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1264725298] [2020-08-22 00:34:35,468 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 00:34:35,469 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 00:34:35,469 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [202241414] [2020-08-22 00:34:35,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 00:34:35,475 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:35,475 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 00:34:35,475 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 00:34:35,476 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-22 00:34:35,569 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:35,569 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-22 00:34:35,570 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 00:34:35,571 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-22 00:34:35,571 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:35,572 INFO L225 Difference]: With dead ends: 36 [2020-08-22 00:34:35,573 INFO L226 Difference]: Without dead ends: 32 [2020-08-22 00:34:35,574 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 [2020-08-22 00:34:35,575 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-22 00:34:35,582 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-22 00:34:35,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 00:34:35,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-22 00:34:35,584 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-22 00:34:35,584 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:35,584 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-22 00:34:35,585 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 00:34:35,585 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-22 00:34:35,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-22 00:34:35,586 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:35,587 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] [2020-08-22 00:34:35,587 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 00:34:35,587 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:35,588 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:35,588 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-22 00:34:35,588 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:35,589 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [57526305] [2020-08-22 00:34:35,591 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:35,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:35,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:35,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:35,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:34:35,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,706 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 00:34:35,706 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [57526305] [2020-08-22 00:34:35,707 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:35,707 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 00:34:35,707 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399967637] [2020-08-22 00:34:35,708 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 00:34:35,708 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:35,708 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 00:34:35,709 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 00:34:35,709 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-22 00:34:35,796 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:35,797 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-22 00:34:35,797 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 00:34:35,797 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-22 00:34:35,798 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:35,799 INFO L225 Difference]: With dead ends: 58 [2020-08-22 00:34:35,799 INFO L226 Difference]: Without dead ends: 34 [2020-08-22 00:34:35,800 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 [2020-08-22 00:34:35,801 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-22 00:34:35,808 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-22 00:34:35,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-22 00:34:35,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-22 00:34:35,810 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-22 00:34:35,811 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:35,811 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-22 00:34:35,811 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 00:34:35,811 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-22 00:34:35,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 00:34:35,813 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:35,813 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] [2020-08-22 00:34:35,814 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 00:34:35,814 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:35,814 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:35,815 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-22 00:34:35,815 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:35,815 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2029791596] [2020-08-22 00:34:35,816 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:35,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:35,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:35,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:35,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:35,924 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-22 00:34:35,924 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2029791596] [2020-08-22 00:34:35,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:35,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 00:34:35,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [597822636] [2020-08-22 00:34:35,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 00:34:35,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:35,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 00:34:35,928 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-22 00:34:35,928 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-22 00:34:36,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:36,117 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-22 00:34:36,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 00:34:36,118 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-22 00:34:36,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:36,122 INFO L225 Difference]: With dead ends: 54 [2020-08-22 00:34:36,122 INFO L226 Difference]: Without dead ends: 50 [2020-08-22 00:34:36,123 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 [2020-08-22 00:34:36,123 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-22 00:34:36,134 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-22 00:34:36,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-22 00:34:36,136 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-22 00:34:36,136 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-22 00:34:36,136 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:36,137 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-22 00:34:36,138 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 00:34:36,138 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-22 00:34:36,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-22 00:34:36,141 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:36,141 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] [2020-08-22 00:34:36,141 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 00:34:36,141 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:36,142 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:36,143 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-22 00:34:36,143 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:36,143 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1675440114] [2020-08-22 00:34:36,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:36,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:36,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 00:34:36,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 00:34:36,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,294 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 00:34:36,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1675440114] [2020-08-22 00:34:36,295 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:36,295 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 00:34:36,295 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [171297496] [2020-08-22 00:34:36,296 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 00:34:36,296 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:36,297 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 00:34:36,297 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 00:34:36,297 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-22 00:34:36,373 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:36,373 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-22 00:34:36,374 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 00:34:36,374 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-22 00:34:36,375 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:36,376 INFO L225 Difference]: With dead ends: 94 [2020-08-22 00:34:36,376 INFO L226 Difference]: Without dead ends: 52 [2020-08-22 00:34:36,378 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 [2020-08-22 00:34:36,378 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-22 00:34:36,387 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-22 00:34:36,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-22 00:34:36,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-22 00:34:36,390 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-22 00:34:36,390 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:36,390 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-22 00:34:36,390 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 00:34:36,391 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-22 00:34:36,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-22 00:34:36,393 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:36,393 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] [2020-08-22 00:34:36,393 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 00:34:36,394 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:36,394 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:36,394 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-22 00:34:36,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:36,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1969492980] [2020-08-22 00:34:36,395 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:36,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:36,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:36,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:36,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:36,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,559 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-22 00:34:36,560 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1969492980] [2020-08-22 00:34:36,560 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:36,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 00:34:36,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2012842620] [2020-08-22 00:34:36,561 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:34:36,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:36,562 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:34:36,562 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:34:36,562 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-22 00:34:36,664 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:36,664 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-22 00:34:36,665 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 00:34:36,665 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-22 00:34:36,666 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:36,667 INFO L225 Difference]: With dead ends: 103 [2020-08-22 00:34:36,667 INFO L226 Difference]: Without dead ends: 57 [2020-08-22 00:34:36,669 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 [2020-08-22 00:34:36,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-22 00:34:36,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-22 00:34:36,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-22 00:34:36,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-22 00:34:36,679 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-22 00:34:36,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:36,680 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-22 00:34:36,680 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:34:36,680 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-22 00:34:36,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-22 00:34:36,682 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:36,682 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] [2020-08-22 00:34:36,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 00:34:36,683 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:36,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:36,683 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-22 00:34:36,683 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:36,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [472101415] [2020-08-22 00:34:36,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:36,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:36,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:36,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:36,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:36,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:36,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:36,790 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-22 00:34:36,791 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [472101415] [2020-08-22 00:34:36,791 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:36,792 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 00:34:36,792 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1596924241] [2020-08-22 00:34:36,792 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:34:36,793 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:36,793 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:34:36,793 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:34:36,794 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-22 00:34:37,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:37,009 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-22 00:34:37,011 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 00:34:37,011 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-22 00:34:37,012 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:37,013 INFO L225 Difference]: With dead ends: 86 [2020-08-22 00:34:37,014 INFO L226 Difference]: Without dead ends: 82 [2020-08-22 00:34:37,014 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 [2020-08-22 00:34:37,017 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-22 00:34:37,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-22 00:34:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-22 00:34:37,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-22 00:34:37,047 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-22 00:34:37,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:37,050 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-22 00:34:37,051 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:34:37,051 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-22 00:34:37,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-22 00:34:37,056 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:37,057 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] [2020-08-22 00:34:37,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 00:34:37,057 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:37,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:37,058 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-22 00:34:37,058 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:37,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1379791100] [2020-08-22 00:34:37,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:37,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:37,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:37,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:37,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 00:34:37,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,298 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-22 00:34:37,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1379791100] [2020-08-22 00:34:37,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:37,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 00:34:37,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1683043186] [2020-08-22 00:34:37,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 00:34:37,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:37,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 00:34:37,301 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 00:34:37,301 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-22 00:34:37,437 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:37,437 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-22 00:34:37,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 00:34:37,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-22 00:34:37,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:37,440 INFO L225 Difference]: With dead ends: 167 [2020-08-22 00:34:37,441 INFO L226 Difference]: Without dead ends: 94 [2020-08-22 00:34:37,442 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 [2020-08-22 00:34:37,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-22 00:34:37,455 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-22 00:34:37,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-22 00:34:37,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-22 00:34:37,457 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-22 00:34:37,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:37,458 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-22 00:34:37,458 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 00:34:37,458 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-22 00:34:37,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-22 00:34:37,460 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:37,460 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:37,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 00:34:37,461 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:37,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:37,461 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-22 00:34:37,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:37,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1141125070] [2020-08-22 00:34:37,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:37,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:37,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:37,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:37,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:37,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,592 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-22 00:34:37,592 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1141125070] [2020-08-22 00:34:37,592 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:37,593 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 00:34:37,593 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1631328369] [2020-08-22 00:34:37,593 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 00:34:37,594 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:37,594 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 00:34:37,594 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:34:37,594 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-22 00:34:37,841 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:37,842 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-22 00:34:37,842 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 00:34:37,843 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-22 00:34:37,843 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:37,846 INFO L225 Difference]: With dead ends: 188 [2020-08-22 00:34:37,846 INFO L226 Difference]: Without dead ends: 109 [2020-08-22 00:34:37,847 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:34:37,848 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-22 00:34:37,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-22 00:34:37,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-22 00:34:37,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-22 00:34:37,879 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-22 00:34:37,879 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:37,879 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-22 00:34:37,879 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 00:34:37,879 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-22 00:34:37,882 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-22 00:34:37,883 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:37,883 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] [2020-08-22 00:34:37,883 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 00:34:37,883 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:37,884 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:37,884 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-22 00:34:37,884 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:37,884 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1788036653] [2020-08-22 00:34:37,885 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:37,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:37,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:37,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:38,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:38,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:38,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,132 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-22 00:34:38,133 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1788036653] [2020-08-22 00:34:38,133 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:38,133 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 00:34:38,134 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1109948386] [2020-08-22 00:34:38,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 00:34:38,135 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:38,135 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 00:34:38,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:34:38,135 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-22 00:34:38,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:38,527 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-22 00:34:38,527 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 00:34:38,527 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-22 00:34:38,528 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:38,532 INFO L225 Difference]: With dead ends: 199 [2020-08-22 00:34:38,532 INFO L226 Difference]: Without dead ends: 86 [2020-08-22 00:34:38,534 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 [2020-08-22 00:34:38,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-22 00:34:38,545 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-22 00:34:38,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-22 00:34:38,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-22 00:34:38,548 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-22 00:34:38,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:38,549 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-22 00:34:38,549 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 00:34:38,549 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-22 00:34:38,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-22 00:34:38,550 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:38,550 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] [2020-08-22 00:34:38,550 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 00:34:38,551 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:38,551 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:38,551 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-22 00:34:38,551 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:38,552 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1532416426] [2020-08-22 00:34:38,552 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:38,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:38,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:38,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:38,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:38,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:38,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 00:34:38,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:38,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:38,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:38,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:38,819 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-22 00:34:38,820 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1532416426] [2020-08-22 00:34:38,820 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:38,820 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 00:34:38,821 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [268057766] [2020-08-22 00:34:38,821 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 00:34:38,821 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:38,822 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 00:34:38,822 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 00:34:38,822 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-22 00:34:39,026 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:39,026 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-22 00:34:39,027 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 00:34:39,027 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-22 00:34:39,027 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:39,028 INFO L225 Difference]: With dead ends: 142 [2020-08-22 00:34:39,029 INFO L226 Difference]: Without dead ends: 78 [2020-08-22 00:34:39,031 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 [2020-08-22 00:34:39,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-22 00:34:39,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-22 00:34:39,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-22 00:34:39,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-22 00:34:39,045 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-22 00:34:39,045 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:39,045 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-22 00:34:39,046 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 00:34:39,046 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-22 00:34:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-22 00:34:39,052 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:39,052 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] [2020-08-22 00:34:39,054 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 00:34:39,054 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:39,054 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:39,055 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-22 00:34:39,055 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:39,056 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [5592953] [2020-08-22 00:34:39,056 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:39,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:39,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-22 00:34:39,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 00:34:39,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-22 00:34:39,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:39,673 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-22 00:34:39,673 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [5592953] [2020-08-22 00:34:39,674 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:39,674 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 00:34:39,675 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [648597911] [2020-08-22 00:34:39,675 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 00:34:39,676 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:39,676 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 00:34:39,677 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-22 00:34:39,677 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-22 00:34:40,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:40,330 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-22 00:34:40,330 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 00:34:40,330 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-22 00:34:40,331 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:40,332 INFO L225 Difference]: With dead ends: 184 [2020-08-22 00:34:40,333 INFO L226 Difference]: Without dead ends: 111 [2020-08-22 00:34:40,335 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 [2020-08-22 00:34:40,335 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-22 00:34:40,345 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-22 00:34:40,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 00:34:40,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-22 00:34:40,347 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-22 00:34:40,349 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:40,349 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-22 00:34:40,349 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 00:34:40,349 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-22 00:34:40,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-22 00:34:40,353 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:40,354 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] [2020-08-22 00:34:40,354 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 00:34:40,354 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:40,355 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:40,355 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-22 00:34:40,355 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:40,356 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2046676200] [2020-08-22 00:34:40,356 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:40,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:40,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:40,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:40,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:40,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:40,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:40,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:40,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:40,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 00:34:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:40,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:40,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,656 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-22 00:34:40,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2046676200] [2020-08-22 00:34:40,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:40,657 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 00:34:40,657 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086587367] [2020-08-22 00:34:40,658 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 00:34:40,658 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:40,658 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 00:34:40,658 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-22 00:34:40,659 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-22 00:34:40,908 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:40,908 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-22 00:34:40,909 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 00:34:40,909 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-22 00:34:40,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:40,911 INFO L225 Difference]: With dead ends: 188 [2020-08-22 00:34:40,911 INFO L226 Difference]: Without dead ends: 101 [2020-08-22 00:34:40,912 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 [2020-08-22 00:34:40,913 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-22 00:34:40,919 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-22 00:34:40,919 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-22 00:34:40,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-22 00:34:40,921 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-22 00:34:40,921 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:40,921 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-22 00:34:40,921 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 00:34:40,921 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-22 00:34:40,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 00:34:40,924 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:40,924 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] [2020-08-22 00:34:40,924 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 00:34:40,924 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:40,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:40,925 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-22 00:34:40,925 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:40,925 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1837783745] [2020-08-22 00:34:40,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:40,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:40,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:40,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:40,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:41,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:41,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:41,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:41,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:41,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-22 00:34:41,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:41,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:41,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:41,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,317 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-22 00:34:41,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1837783745] [2020-08-22 00:34:41,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:41,318 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 00:34:41,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [398045948] [2020-08-22 00:34:41,319 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 00:34:41,320 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:41,320 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 00:34:41,320 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:34:41,320 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-22 00:34:41,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:41,873 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-22 00:34:41,873 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 00:34:41,874 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-22 00:34:41,874 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:41,876 INFO L225 Difference]: With dead ends: 224 [2020-08-22 00:34:41,877 INFO L226 Difference]: Without dead ends: 131 [2020-08-22 00:34:41,879 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 [2020-08-22 00:34:41,879 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-22 00:34:41,889 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-22 00:34:41,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-22 00:34:41,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-22 00:34:41,894 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-22 00:34:41,895 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:41,895 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-22 00:34:41,895 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 00:34:41,895 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-22 00:34:41,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 00:34:41,897 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:41,898 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] [2020-08-22 00:34:41,898 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 00:34:41,898 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:41,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:41,899 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-22 00:34:41,899 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:41,899 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832923529] [2020-08-22 00:34:41,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:41,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:41,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:41,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:42,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:42,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:42,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:42,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:42,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:42,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,282 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-22 00:34:42,282 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832923529] [2020-08-22 00:34:42,283 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:42,283 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 00:34:42,283 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298901528] [2020-08-22 00:34:42,284 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 00:34:42,284 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:42,284 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 00:34:42,284 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 00:34:42,284 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-22 00:34:42,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:42,604 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-22 00:34:42,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 00:34:42,605 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-22 00:34:42,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:42,608 INFO L225 Difference]: With dead ends: 244 [2020-08-22 00:34:42,608 INFO L226 Difference]: Without dead ends: 240 [2020-08-22 00:34:42,609 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 [2020-08-22 00:34:42,610 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-22 00:34:42,624 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-22 00:34:42,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-22 00:34:42,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-22 00:34:42,627 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-22 00:34:42,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:42,627 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-22 00:34:42,628 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 00:34:42,628 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-22 00:34:42,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-22 00:34:42,631 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:42,632 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:42,632 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 00:34:42,632 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:42,632 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:42,632 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-22 00:34:42,633 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:42,633 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [732078612] [2020-08-22 00:34:42,633 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:42,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:42,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:42,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 00:34:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 00:34:42,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:42,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:42,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 00:34:42,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:42,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:43,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,129 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-08-22 00:34:43,130 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [732078612] [2020-08-22 00:34:43,130 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:43,130 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 00:34:43,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [62281800] [2020-08-22 00:34:43,134 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 00:34:43,134 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:43,134 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 00:34:43,135 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-22 00:34:43,135 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-22 00:34:43,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:43,355 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-22 00:34:43,356 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 00:34:43,356 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-22 00:34:43,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:43,359 INFO L225 Difference]: With dead ends: 429 [2020-08-22 00:34:43,360 INFO L226 Difference]: Without dead ends: 225 [2020-08-22 00:34:43,362 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-22 00:34:43,363 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-22 00:34:43,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-22 00:34:43,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-22 00:34:43,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-22 00:34:43,383 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-22 00:34:43,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:43,383 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-22 00:34:43,383 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 00:34:43,383 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-22 00:34:43,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-22 00:34:43,388 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:43,388 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] [2020-08-22 00:34:43,389 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 00:34:43,389 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:43,389 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:43,389 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-22 00:34:43,389 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:43,390 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [523321056] [2020-08-22 00:34:43,390 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:43,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:43,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:43,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:43,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:43,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:43,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:43,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:43,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:43,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:43,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:43,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:44,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:44,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:44,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:44,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:44,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:44,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,220 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-22 00:34:44,220 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [523321056] [2020-08-22 00:34:44,220 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:44,221 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 00:34:44,221 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1340924530] [2020-08-22 00:34:44,221 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 00:34:44,222 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:44,222 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 00:34:44,222 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-22 00:34:44,222 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-22 00:34:44,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:44,589 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-22 00:34:44,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 00:34:44,589 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-22 00:34:44,593 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:44,607 INFO L225 Difference]: With dead ends: 469 [2020-08-22 00:34:44,607 INFO L226 Difference]: Without dead ends: 465 [2020-08-22 00:34:44,612 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-22 00:34:44,613 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-22 00:34:44,656 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-22 00:34:44,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-22 00:34:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-22 00:34:44,664 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-22 00:34:44,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:44,665 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-22 00:34:44,665 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 00:34:44,665 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-22 00:34:44,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-22 00:34:44,679 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:44,680 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 22, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:44,680 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 00:34:44,680 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:44,680 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:44,681 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-22 00:34:44,681 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:44,682 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1103860751] [2020-08-22 00:34:44,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:44,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:44,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:44,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:44,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:44,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:45,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:45,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:45,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 00:34:45,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:45,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:45,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-22 00:34:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:45,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:45,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:45,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:45,711 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-08-22 00:34:45,712 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1103860751] [2020-08-22 00:34:45,712 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:45,712 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 00:34:45,712 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1931249874] [2020-08-22 00:34:45,719 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 00:34:45,719 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:45,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 00:34:45,724 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:34:45,725 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-22 00:34:46,231 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:46,231 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-22 00:34:46,231 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 00:34:46,232 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-22 00:34:46,235 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:46,242 INFO L225 Difference]: With dead ends: 924 [2020-08-22 00:34:46,243 INFO L226 Difference]: Without dead ends: 493 [2020-08-22 00:34:46,250 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-22 00:34:46,251 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-22 00:34:46,290 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-22 00:34:46,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-22 00:34:46,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-22 00:34:46,295 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-22 00:34:46,296 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:46,296 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-22 00:34:46,296 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 00:34:46,296 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-22 00:34:46,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-22 00:34:46,310 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:46,310 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 40, 40, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 13, 13, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:46,311 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 00:34:46,311 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:46,311 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:46,311 INFO L82 PathProgramCache]: Analyzing trace with hash -1718075054, now seen corresponding path program 7 times [2020-08-22 00:34:46,313 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:46,313 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [105810674] [2020-08-22 00:34:46,314 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:46,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:46,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:46,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:46,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:46,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:46,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:46,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:46,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:46,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:46,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:47,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:47,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:47,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:47,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:47,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:47,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 00:34:47,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:47,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:47,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:47,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:47,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:47,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:47,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:48,062 INFO L134 CoverageAnalysis]: Checked inductivity of 9421 backedges. 593 proven. 1863 refuted. 0 times theorem prover too weak. 6965 trivial. 0 not checked. [2020-08-22 00:34:48,062 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [105810674] [2020-08-22 00:34:48,062 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:48,062 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 00:34:48,063 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [588295591] [2020-08-22 00:34:48,063 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 00:34:48,063 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:48,064 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 00:34:48,064 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-22 00:34:48,064 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 18 states. [2020-08-22 00:34:49,138 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:49,138 INFO L93 Difference]: Finished difference Result 836 states and 1442 transitions. [2020-08-22 00:34:49,139 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 00:34:49,139 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-08-22 00:34:49,140 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:49,145 INFO L225 Difference]: With dead ends: 836 [2020-08-22 00:34:49,146 INFO L226 Difference]: Without dead ends: 395 [2020-08-22 00:34:49,151 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-08-22 00:34:49,152 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-08-22 00:34:49,177 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 327. [2020-08-22 00:34:49,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-08-22 00:34:49,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 502 transitions. [2020-08-22 00:34:49,183 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 502 transitions. Word has length 572 [2020-08-22 00:34:49,183 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:49,183 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 502 transitions. [2020-08-22 00:34:49,184 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 00:34:49,184 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 502 transitions. [2020-08-22 00:34:49,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-22 00:34:49,190 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:49,191 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 24, 24, 21, 20, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 9, 7, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:49,191 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 00:34:49,191 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:49,191 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:49,191 INFO L82 PathProgramCache]: Analyzing trace with hash 1572493120, now seen corresponding path program 8 times [2020-08-22 00:34:49,192 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:49,192 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2015171573] [2020-08-22 00:34:49,192 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:49,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:49,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:49,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:49,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:49,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:49,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:49,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:49,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:49,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:49,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:49,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:49,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-22 00:34:49,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:49,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:49,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:49,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:49,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:49,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:49,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:50,168 INFO L134 CoverageAnalysis]: Checked inductivity of 3484 backedges. 422 proven. 756 refuted. 0 times theorem prover too weak. 2306 trivial. 0 not checked. [2020-08-22 00:34:50,169 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2015171573] [2020-08-22 00:34:50,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:50,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 00:34:50,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1567614676] [2020-08-22 00:34:50,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 00:34:50,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:50,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 00:34:50,171 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-22 00:34:50,171 INFO L87 Difference]: Start difference. First operand 327 states and 502 transitions. Second operand 16 states. [2020-08-22 00:34:50,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:50,806 INFO L93 Difference]: Finished difference Result 720 states and 1202 transitions. [2020-08-22 00:34:50,806 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-22 00:34:50,807 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 354 [2020-08-22 00:34:50,807 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:50,812 INFO L225 Difference]: With dead ends: 720 [2020-08-22 00:34:50,812 INFO L226 Difference]: Without dead ends: 415 [2020-08-22 00:34:50,816 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-22 00:34:50,816 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-08-22 00:34:50,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 375. [2020-08-22 00:34:50,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-22 00:34:50,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 561 transitions. [2020-08-22 00:34:50,849 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 561 transitions. Word has length 354 [2020-08-22 00:34:50,849 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:50,849 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 561 transitions. [2020-08-22 00:34:50,849 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 00:34:50,849 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 561 transitions. [2020-08-22 00:34:50,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-22 00:34:50,876 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:50,877 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] [2020-08-22 00:34:50,877 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 00:34:50,878 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:50,878 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:50,878 INFO L82 PathProgramCache]: Analyzing trace with hash 2122481566, now seen corresponding path program 9 times [2020-08-22 00:34:50,879 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:50,879 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [21271898] [2020-08-22 00:34:50,879 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:51,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:51,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:51,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:51,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:51,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:51,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:51,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:51,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:51,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:51,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:51,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:51,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:51,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:51,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:51,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:51,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:51,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:51,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:51,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:51,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:51,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:51,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:34:51,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:51,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:52,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:52,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:52,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:52,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:52,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:52,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:52,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:52,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:52,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:52,856 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 913 proven. 1781 refuted. 0 times theorem prover too weak. 6719 trivial. 0 not checked. [2020-08-22 00:34:52,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [21271898] [2020-08-22 00:34:52,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:52,858 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-22 00:34:52,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1743021171] [2020-08-22 00:34:52,859 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-22 00:34:52,860 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:52,860 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-22 00:34:52,860 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-22 00:34:52,861 INFO L87 Difference]: Start difference. First operand 375 states and 561 transitions. Second operand 20 states. [2020-08-22 00:34:54,191 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:54,192 INFO L93 Difference]: Finished difference Result 620 states and 1014 transitions. [2020-08-22 00:34:54,192 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-22 00:34:54,192 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 572 [2020-08-22 00:34:54,193 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:54,197 INFO L225 Difference]: With dead ends: 620 [2020-08-22 00:34:54,197 INFO L226 Difference]: Without dead ends: 227 [2020-08-22 00:34:54,201 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 634 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-22 00:34:54,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 227 states. [2020-08-22 00:34:54,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 227 to 180. [2020-08-22 00:34:54,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 180 states. [2020-08-22 00:34:54,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 180 states and 258 transitions. [2020-08-22 00:34:54,215 INFO L78 Accepts]: Start accepts. Automaton has 180 states and 258 transitions. Word has length 572 [2020-08-22 00:34:54,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:54,216 INFO L479 AbstractCegarLoop]: Abstraction has 180 states and 258 transitions. [2020-08-22 00:34:54,216 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-22 00:34:54,216 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 258 transitions. [2020-08-22 00:34:54,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 751 [2020-08-22 00:34:54,222 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:54,222 INFO L422 BasicCegarLoop]: trace histogram [56, 56, 53, 53, 46, 43, 28, 28, 28, 28, 28, 28, 28, 26, 26, 26, 26, 26, 26, 26, 20, 15, 10, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:34:54,223 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-22 00:34:54,223 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:54,223 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:54,223 INFO L82 PathProgramCache]: Analyzing trace with hash 184907743, now seen corresponding path program 10 times [2020-08-22 00:34:54,223 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:54,224 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1378552845] [2020-08-22 00:34:54,224 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:54,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:54,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:54,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:55,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 00:34:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 296 [2020-08-22 00:34:55,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 00:34:55,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:55,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:55,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:55,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 596 [2020-08-22 00:34:56,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:56,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:56,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:56,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:56,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:56,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:56,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:56,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:56,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:56,915 INFO L134 CoverageAnalysis]: Checked inductivity of 16422 backedges. 530 proven. 2094 refuted. 0 times theorem prover too weak. 13798 trivial. 0 not checked. [2020-08-22 00:34:56,919 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1378552845] [2020-08-22 00:34:56,919 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:56,919 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 00:34:56,920 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [510331717] [2020-08-22 00:34:56,920 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 00:34:56,921 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:56,921 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 00:34:56,921 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:34:56,921 INFO L87 Difference]: Start difference. First operand 180 states and 258 transitions. Second operand 14 states. [2020-08-22 00:34:57,398 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:34:57,398 INFO L93 Difference]: Finished difference Result 348 states and 520 transitions. [2020-08-22 00:34:57,401 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-22 00:34:57,401 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 750 [2020-08-22 00:34:57,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:34:57,404 INFO L225 Difference]: With dead ends: 348 [2020-08-22 00:34:57,405 INFO L226 Difference]: Without dead ends: 190 [2020-08-22 00:34:57,406 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 247 GetRequests, 224 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 72 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-22 00:34:57,407 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 190 states. [2020-08-22 00:34:57,422 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 190 to 187. [2020-08-22 00:34:57,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 187 states. [2020-08-22 00:34:57,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 187 states to 187 states and 264 transitions. [2020-08-22 00:34:57,423 INFO L78 Accepts]: Start accepts. Automaton has 187 states and 264 transitions. Word has length 750 [2020-08-22 00:34:57,424 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:34:57,424 INFO L479 AbstractCegarLoop]: Abstraction has 187 states and 264 transitions. [2020-08-22 00:34:57,424 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 00:34:57,424 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 264 transitions. [2020-08-22 00:34:57,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-22 00:34:57,430 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:34:57,430 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] [2020-08-22 00:34:57,431 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-22 00:34:57,431 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:34:57,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:34:57,431 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 11 times [2020-08-22 00:34:57,432 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:34:57,434 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1193810931] [2020-08-22 00:34:57,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:34:57,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:57,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:34:57,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:57,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:34:57,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:58,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:58,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:58,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:58,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:58,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:58,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:58,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:58,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:58,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:58,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:34:58,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:58,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:58,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:58,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:58,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:58,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:58,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:58,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 00:34:58,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:58,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:58,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:58,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:59,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:59,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:59,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:59,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:59,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:59,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:34:59,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:59,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:59,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:34:59,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:59,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:59,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:34:59,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:59,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:34:59,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:34:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:34:59,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:34:59,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:34:59,708 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-22 00:34:59,708 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1193810931] [2020-08-22 00:34:59,709 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:34:59,709 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 00:34:59,709 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [316204538] [2020-08-22 00:34:59,710 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 00:34:59,710 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:34:59,710 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 00:34:59,710 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-22 00:34:59,711 INFO L87 Difference]: Start difference. First operand 187 states and 264 transitions. Second operand 14 states. [2020-08-22 00:35:00,146 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:35:00,146 INFO L93 Difference]: Finished difference Result 523 states and 826 transitions. [2020-08-22 00:35:00,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 00:35:00,151 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-22 00:35:00,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:35:00,159 INFO L225 Difference]: With dead ends: 523 [2020-08-22 00:35:00,160 INFO L226 Difference]: Without dead ends: 519 [2020-08-22 00:35:00,161 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 90 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-22 00:35:00,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 519 states. [2020-08-22 00:35:00,201 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 519 to 465. [2020-08-22 00:35:00,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 465 states. [2020-08-22 00:35:00,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 465 states and 730 transitions. [2020-08-22 00:35:00,206 INFO L78 Accepts]: Start accepts. Automaton has 465 states and 730 transitions. Word has length 749 [2020-08-22 00:35:00,207 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:35:00,207 INFO L479 AbstractCegarLoop]: Abstraction has 465 states and 730 transitions. [2020-08-22 00:35:00,207 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 00:35:00,207 INFO L276 IsEmpty]: Start isEmpty. Operand 465 states and 730 transitions. [2020-08-22 00:35:00,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1281 [2020-08-22 00:35:00,223 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:35:00,224 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] [2020-08-22 00:35:00,224 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-22 00:35:00,224 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:35:00,224 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:35:00,225 INFO L82 PathProgramCache]: Analyzing trace with hash -1893425186, now seen corresponding path program 12 times [2020-08-22 00:35:00,225 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:35:00,225 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1821936292] [2020-08-22 00:35:00,225 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:35:00,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:35:00,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:00,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:35:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:01,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:01,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:01,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:01,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:01,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:01,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:01,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:01,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:01,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:01,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:01,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:01,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:02,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:02,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-22 00:35:02,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:02,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:02,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:02,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:02,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:02,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:02,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-22 00:35:02,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:02,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:02,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:02,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:02,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:02,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:02,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:02,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:02,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:03,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:03,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-22 00:35:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:03,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:03,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:03,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:03,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:03,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:03,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:03,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:03,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:03,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:03,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:04,701 INFO L134 CoverageAnalysis]: Checked inductivity of 48685 backedges. 1141 proven. 5191 refuted. 0 times theorem prover too weak. 42353 trivial. 0 not checked. [2020-08-22 00:35:04,702 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1821936292] [2020-08-22 00:35:04,702 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:35:04,703 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 00:35:04,703 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1239803194] [2020-08-22 00:35:04,704 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 00:35:04,704 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:35:04,704 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 00:35:04,705 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-22 00:35:04,705 INFO L87 Difference]: Start difference. First operand 465 states and 730 transitions. Second operand 18 states. [2020-08-22 00:35:05,679 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:35:05,679 INFO L93 Difference]: Finished difference Result 1045 states and 1789 transitions. [2020-08-22 00:35:05,680 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-22 00:35:05,680 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1280 [2020-08-22 00:35:05,681 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:35:05,690 INFO L225 Difference]: With dead ends: 1045 [2020-08-22 00:35:05,690 INFO L226 Difference]: Without dead ends: 602 [2020-08-22 00:35:05,695 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 415 GetRequests, 379 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-22 00:35:05,696 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 602 states. [2020-08-22 00:35:05,732 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 602 to 490. [2020-08-22 00:35:05,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 490 states. [2020-08-22 00:35:05,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 490 states and 741 transitions. [2020-08-22 00:35:05,737 INFO L78 Accepts]: Start accepts. Automaton has 490 states and 741 transitions. Word has length 1280 [2020-08-22 00:35:05,737 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:35:05,738 INFO L479 AbstractCegarLoop]: Abstraction has 490 states and 741 transitions. [2020-08-22 00:35:05,738 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 00:35:05,738 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 741 transitions. [2020-08-22 00:35:05,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-08-22 00:35:05,752 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:35:05,753 INFO L422 BasicCegarLoop]: trace histogram [90, 90, 87, 87, 72, 71, 45, 45, 45, 45, 45, 45, 45, 43, 43, 43, 43, 43, 43, 43, 29, 26, 18, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:35:05,754 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-22 00:35:05,756 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:35:05,756 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:35:05,756 INFO L82 PathProgramCache]: Analyzing trace with hash 1219901515, now seen corresponding path program 13 times [2020-08-22 00:35:05,756 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:35:05,757 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [609974072] [2020-08-22 00:35:05,757 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:35:05,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:06,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:35:06,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:06,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:35:06,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:07,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:07,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:07,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:07,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:07,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:07,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:07,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:07,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:07,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:07,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:07,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:07,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:07,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:07,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:07,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:07,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:07,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:07,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:07,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:07,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:08,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:08,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 00:35:08,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:08,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:08,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:08,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:08,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:08,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:08,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:08,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:08,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:08,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:08,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-08-22 00:35:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:09,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:09,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:09,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:09,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:09,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:09,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:09,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:09,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:10,666 INFO L134 CoverageAnalysis]: Checked inductivity of 43597 backedges. 2081 proven. 5366 refuted. 0 times theorem prover too weak. 36150 trivial. 0 not checked. [2020-08-22 00:35:10,666 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [609974072] [2020-08-22 00:35:10,666 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:35:10,667 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-22 00:35:10,667 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191092179] [2020-08-22 00:35:10,668 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-22 00:35:10,668 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:35:10,668 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-22 00:35:10,668 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=63, Invalid=399, Unknown=0, NotChecked=0, Total=462 [2020-08-22 00:35:10,668 INFO L87 Difference]: Start difference. First operand 490 states and 741 transitions. Second operand 22 states. [2020-08-22 00:35:12,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:35:12,280 INFO L93 Difference]: Finished difference Result 1110 states and 1909 transitions. [2020-08-22 00:35:12,282 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 51 states. [2020-08-22 00:35:12,283 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 1212 [2020-08-22 00:35:12,286 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:35:12,297 INFO L225 Difference]: With dead ends: 1110 [2020-08-22 00:35:12,297 INFO L226 Difference]: Without dead ends: 632 [2020-08-22 00:35:12,303 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 414 GetRequests, 358 SyntacticMatches, 0 SemanticMatches, 56 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 875 ImplicationChecksByTransitivity, 0.8s TimeCoverageRelationStatistics Valid=423, Invalid=2883, Unknown=0, NotChecked=0, Total=3306 [2020-08-22 00:35:12,305 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 632 states. [2020-08-22 00:35:12,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 632 to 543. [2020-08-22 00:35:12,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 543 states. [2020-08-22 00:35:12,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 543 states to 543 states and 843 transitions. [2020-08-22 00:35:12,359 INFO L78 Accepts]: Start accepts. Automaton has 543 states and 843 transitions. Word has length 1212 [2020-08-22 00:35:12,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:35:12,360 INFO L479 AbstractCegarLoop]: Abstraction has 543 states and 843 transitions. [2020-08-22 00:35:12,360 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-22 00:35:12,360 INFO L276 IsEmpty]: Start isEmpty. Operand 543 states and 843 transitions. [2020-08-22 00:35:12,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2020-08-22 00:35:12,375 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:35:12,376 INFO L422 BasicCegarLoop]: trace histogram [81, 81, 80, 80, 65, 65, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 25, 25, 16, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:35:12,376 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-22 00:35:12,376 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:35:12,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:35:12,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1604839333, now seen corresponding path program 14 times [2020-08-22 00:35:12,377 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:35:12,377 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1119721638] [2020-08-22 00:35:12,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:35:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:12,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:35:12,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:12,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:35:13,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:13,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:13,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:13,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:13,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:13,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:13,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:13,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:13,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:13,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:13,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:13,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:13,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:13,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:13,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:13,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:13,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:13,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:13,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:13,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:13,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 00:35:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:14,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:14,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:14,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:14,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-22 00:35:14,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:14,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:14,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:14,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:14,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:14,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:14,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:14,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:14,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:14,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:14,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:14,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:14,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:14,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:14,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:14,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:15,834 INFO L134 CoverageAnalysis]: Checked inductivity of 36000 backedges. 1642 proven. 4295 refuted. 0 times theorem prover too weak. 30063 trivial. 0 not checked. [2020-08-22 00:35:15,835 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1119721638] [2020-08-22 00:35:15,835 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:35:15,835 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-22 00:35:15,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [946469941] [2020-08-22 00:35:15,836 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-22 00:35:15,836 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:35:15,836 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-22 00:35:15,836 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-22 00:35:15,836 INFO L87 Difference]: Start difference. First operand 543 states and 843 transitions. Second operand 20 states. [2020-08-22 00:35:17,056 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:35:17,056 INFO L93 Difference]: Finished difference Result 1218 states and 2075 transitions. [2020-08-22 00:35:17,057 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-22 00:35:17,057 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1103 [2020-08-22 00:35:17,058 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:35:17,068 INFO L225 Difference]: With dead ends: 1218 [2020-08-22 00:35:17,069 INFO L226 Difference]: Without dead ends: 697 [2020-08-22 00:35:17,074 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-08-22 00:35:17,076 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 697 states. [2020-08-22 00:35:17,148 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 697 to 587. [2020-08-22 00:35:17,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 587 states. [2020-08-22 00:35:17,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 587 states and 899 transitions. [2020-08-22 00:35:17,154 INFO L78 Accepts]: Start accepts. Automaton has 587 states and 899 transitions. Word has length 1103 [2020-08-22 00:35:17,155 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:35:17,155 INFO L479 AbstractCegarLoop]: Abstraction has 587 states and 899 transitions. [2020-08-22 00:35:17,156 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-22 00:35:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 899 transitions. [2020-08-22 00:35:17,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1322 [2020-08-22 00:35:17,187 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:35:17,188 INFO L422 BasicCegarLoop]: trace histogram [97, 97, 96, 96, 79, 77, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 48, 31, 29, 19, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:35:17,188 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-22 00:35:17,188 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:35:17,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:35:17,189 INFO L82 PathProgramCache]: Analyzing trace with hash -1445780197, now seen corresponding path program 15 times [2020-08-22 00:35:17,190 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:35:17,190 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492755233] [2020-08-22 00:35:17,190 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 00:35:17,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 00:35:18,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 00:35:18,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:18,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:19,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:19,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:19,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:19,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:19,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:19,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:19,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:19,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:19,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:19,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:19,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:19,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 00:35:19,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:19,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:19,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:20,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:20,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:20,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:20,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:20,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-22 00:35:20,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:20,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:20,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:20,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:20,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:20,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:20,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:20,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 00:35:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:20,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:20,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:21,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:21,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:21,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:21,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:21,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 00:35:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:21,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:21,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:21,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:21,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 00:35:21,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:21,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:21,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 00:35:21,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 00:35:21,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 00:35:21,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 00:35:21,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:21,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 00:35:21,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 00:35:22,533 INFO L134 CoverageAnalysis]: Checked inductivity of 51895 backedges. 5397 proven. 5829 refuted. 0 times theorem prover too weak. 40669 trivial. 0 not checked. [2020-08-22 00:35:22,533 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492755233] [2020-08-22 00:35:22,533 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 00:35:22,533 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [30] total 30 [2020-08-22 00:35:22,534 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1013303699] [2020-08-22 00:35:22,535 INFO L459 AbstractCegarLoop]: Interpolant automaton has 30 states [2020-08-22 00:35:22,535 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 00:35:22,535 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 30 interpolants. [2020-08-22 00:35:22,536 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=120, Invalid=750, Unknown=0, NotChecked=0, Total=870 [2020-08-22 00:35:22,536 INFO L87 Difference]: Start difference. First operand 587 states and 899 transitions. Second operand 30 states. [2020-08-22 00:35:25,097 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 00:35:25,098 INFO L93 Difference]: Finished difference Result 1006 states and 1786 transitions. [2020-08-22 00:35:25,098 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 79 states. [2020-08-22 00:35:25,098 INFO L78 Accepts]: Start accepts. Automaton has 30 states. Word has length 1321 [2020-08-22 00:35:25,100 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 00:35:25,106 INFO L225 Difference]: With dead ends: 1006 [2020-08-22 00:35:25,106 INFO L226 Difference]: Without dead ends: 439 [2020-08-22 00:35:25,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 477 GetRequests, 390 SyntacticMatches, 0 SemanticMatches, 87 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2577 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=940, Invalid=6892, Unknown=0, NotChecked=0, Total=7832 [2020-08-22 00:35:25,115 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 439 states. [2020-08-22 00:35:25,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 439 to 326. [2020-08-22 00:35:25,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 326 states. [2020-08-22 00:35:25,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 326 states to 326 states and 500 transitions. [2020-08-22 00:35:25,138 INFO L78 Accepts]: Start accepts. Automaton has 326 states and 500 transitions. Word has length 1321 [2020-08-22 00:35:25,140 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 00:35:25,140 INFO L479 AbstractCegarLoop]: Abstraction has 326 states and 500 transitions. [2020-08-22 00:35:25,140 INFO L480 AbstractCegarLoop]: Interpolant automaton has 30 states. [2020-08-22 00:35:25,140 INFO L276 IsEmpty]: Start isEmpty. Operand 326 states and 500 transitions. [2020-08-22 00:35:25,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-22 00:35:25,152 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 00:35:25,152 INFO L422 BasicCegarLoop]: trace histogram [76, 76, 75, 75, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 15, 14, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 00:35:25,153 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-22 00:35:25,153 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 00:35:25,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 00:35:25,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1627069240, now seen corresponding path program 16 times [2020-08-22 00:35:25,154 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 00:35:25,154 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [296998454] [2020-08-22 00:35:25,154 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY