/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=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.5 --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_25-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-22 06:15:38,654 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-22 06:15:38,656 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-22 06:15:38,681 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-22 06:15:38,681 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-22 06:15:38,682 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-22 06:15:38,684 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-22 06:15:38,685 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-22 06:15:38,687 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-22 06:15:38,688 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-22 06:15:38,689 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-22 06:15:38,690 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-22 06:15:38,690 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-22 06:15:38,691 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-22 06:15:38,692 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-22 06:15:38,693 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-22 06:15:38,694 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-22 06:15:38,695 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-22 06:15:38,696 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-22 06:15:38,698 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-22 06:15:38,700 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-22 06:15:38,701 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-22 06:15:38,702 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-22 06:15:38,702 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-22 06:15:38,710 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-22 06:15:38,710 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-22 06:15:38,710 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-22 06:15:38,711 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-22 06:15:38,712 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-22 06:15:38,713 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-22 06:15:38,713 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-22 06:15:38,714 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-22 06:15:38,714 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-22 06:15:38,715 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-22 06:15:38,716 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-22 06:15:38,716 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-22 06:15:38,717 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-22 06:15:38,717 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-22 06:15:38,717 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-22 06:15:38,718 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-22 06:15:38,719 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-22 06:15:38,720 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 06:15:38,742 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-22 06:15:38,742 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-22 06:15:38,743 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-22 06:15:38,744 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-22 06:15:38,744 INFO L138 SettingsManager]: * Use SBE=true [2020-08-22 06:15:38,744 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-22 06:15:38,744 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-22 06:15:38,744 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-22 06:15:38,745 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-22 06:15:38,745 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-22 06:15:38,745 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-22 06:15:38,745 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-22 06:15:38,745 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-22 06:15:38,745 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-22 06:15:38,746 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-22 06:15:38,746 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-22 06:15:38,746 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-22 06:15:38,746 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-22 06:15:38,746 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-22 06:15:38,747 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-22 06:15:38,747 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-22 06:15:38,747 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-22 06:15:38,747 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-22 06:15:38,748 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-22 06:15:38,748 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-22 06:15:38,748 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-22 06:15:38,748 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-22 06:15:38,748 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-22 06:15:38,749 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-22 06:15:38,749 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=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.5;log-additional-information=true; [2020-08-22 06:15:39,056 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-22 06:15:39,071 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-22 06:15:39,075 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-22 06:15:39,076 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-22 06:15:39,077 INFO L275 PluginConnector]: CDTParser initialized [2020-08-22 06:15:39,078 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-22 06:15:39,149 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a973b41ba/e6282fd4a4574cf7b6534977b0ddf3e5/FLAG28b9798d9 [2020-08-22 06:15:39,584 INFO L306 CDTParser]: Found 1 translation units. [2020-08-22 06:15:39,585 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_25-2.c [2020-08-22 06:15:39,594 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a973b41ba/e6282fd4a4574cf7b6534977b0ddf3e5/FLAG28b9798d9 [2020-08-22 06:15:40,017 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a973b41ba/e6282fd4a4574cf7b6534977b0ddf3e5 [2020-08-22 06:15:40,028 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-22 06:15:40,030 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-22 06:15:40,031 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-22 06:15:40,031 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-22 06:15:40,035 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-22 06:15:40,036 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:15:40" (1/1) ... [2020-08-22 06:15:40,039 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1e0386e6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40, skipping insertion in model container [2020-08-22 06:15:40,039 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.08 06:15:40" (1/1) ... [2020-08-22 06:15:40,048 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-22 06:15:40,067 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-22 06:15:40,247 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:15:40,251 INFO L203 MainTranslator]: Completed pre-run [2020-08-22 06:15:40,269 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-22 06:15:40,284 INFO L208 MainTranslator]: Completed translation [2020-08-22 06:15:40,285 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40 WrapperNode [2020-08-22 06:15:40,285 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-22 06:15:40,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-22 06:15:40,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-22 06:15:40,286 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-22 06:15:40,301 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40" (1/1) ... [2020-08-22 06:15:40,302 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40" (1/1) ... [2020-08-22 06:15:40,390 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40" (1/1) ... [2020-08-22 06:15:40,390 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40" (1/1) ... [2020-08-22 06:15:40,395 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40" (1/1) ... [2020-08-22 06:15:40,399 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40" (1/1) ... [2020-08-22 06:15:40,405 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40" (1/1) ... [2020-08-22 06:15:40,413 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-22 06:15:40,414 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-22 06:15:40,415 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-22 06:15:40,415 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-22 06:15:40,416 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40" (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 06:15:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-22 06:15:40,495 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-22 06:15:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-22 06:15:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-22 06:15:40,496 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-22 06:15:40,496 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-22 06:15:40,497 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-22 06:15:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-22 06:15:40,498 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-22 06:15:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-22 06:15:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-22 06:15:40,499 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-22 06:15:40,880 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-22 06:15:40,880 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-22 06:15:40,884 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:15:40 BoogieIcfgContainer [2020-08-22 06:15:40,884 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-22 06:15:40,886 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-22 06:15:40,886 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-22 06:15:40,890 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-22 06:15:40,890 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.08 06:15:40" (1/3) ... [2020-08-22 06:15:40,891 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4d69e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:15:40, skipping insertion in model container [2020-08-22 06:15:40,891 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.08 06:15:40" (2/3) ... [2020-08-22 06:15:40,892 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2e4d69e7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.08 06:15:40, skipping insertion in model container [2020-08-22 06:15:40,892 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.08 06:15:40" (3/3) ... [2020-08-22 06:15:40,894 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_25-2.c [2020-08-22 06:15:40,904 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-22 06:15:40,912 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-22 06:15:40,927 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-22 06:15:40,952 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-22 06:15:40,953 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-22 06:15:40,953 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-22 06:15:40,953 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-22 06:15:40,953 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-22 06:15:40,953 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-22 06:15:40,953 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-22 06:15:40,954 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-22 06:15:40,973 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-22 06:15:40,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-22 06:15:40,980 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:40,981 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:40,981 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:40,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:40,988 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-22 06:15:40,997 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:40,998 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2089296881] [2020-08-22 06:15:40,998 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:41,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:41,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:41,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,221 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 06:15:41,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2089296881] [2020-08-22 06:15:41,224 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:15:41,225 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 06:15:41,226 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [325307740] [2020-08-22 06:15:41,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 06:15:41,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:41,247 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 06:15:41,248 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:15:41,251 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-22 06:15:41,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:41,353 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-22 06:15:41,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 06:15:41,356 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-22 06:15:41,357 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:41,368 INFO L225 Difference]: With dead ends: 44 [2020-08-22 06:15:41,369 INFO L226 Difference]: Without dead ends: 30 [2020-08-22 06:15:41,373 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 06:15:41,391 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-22 06:15:41,415 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-22 06:15:41,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 06:15:41,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-22 06:15:41,420 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-22 06:15:41,421 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:41,421 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-22 06:15:41,421 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 06:15:41,421 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-22 06:15:41,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-22 06:15:41,423 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:41,423 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:41,424 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-22 06:15:41,424 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:41,425 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:41,425 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-22 06:15:41,425 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:41,426 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1446944275] [2020-08-22 06:15:41,426 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:41,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:41,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:41,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,503 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 06:15:41,504 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1446944275] [2020-08-22 06:15:41,504 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-22 06:15:41,504 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-22 06:15:41,505 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [615060090] [2020-08-22 06:15:41,507 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-22 06:15:41,507 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:41,507 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-22 06:15:41,508 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-22 06:15:41,508 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-22 06:15:41,578 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:41,579 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-22 06:15:41,580 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-22 06:15:41,580 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-22 06:15:41,580 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:41,582 INFO L225 Difference]: With dead ends: 36 [2020-08-22 06:15:41,582 INFO L226 Difference]: Without dead ends: 32 [2020-08-22 06:15:41,583 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 06:15:41,584 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-22 06:15:41,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-22 06:15:41,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-22 06:15:41,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-22 06:15:41,594 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-22 06:15:41,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:41,595 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-22 06:15:41,595 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-22 06:15:41,595 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-22 06:15:41,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-22 06:15:41,597 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:41,597 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 06:15:41,598 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-22 06:15:41,598 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:41,598 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:41,598 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-22 06:15:41,599 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:41,599 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2066866524] [2020-08-22 06:15:41,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:41,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:41,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:41,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:41,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:15:41,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:41,830 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 06:15:41,831 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2066866524] [2020-08-22 06:15:41,831 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:41,831 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 06:15:41,832 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515307544] [2020-08-22 06:15:41,832 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 06:15:41,833 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:41,833 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 06:15:41,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-22 06:15:41,834 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-22 06:15:41,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:41,922 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-22 06:15:41,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-22 06:15:41,923 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-22 06:15:41,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:41,924 INFO L225 Difference]: With dead ends: 58 [2020-08-22 06:15:41,925 INFO L226 Difference]: Without dead ends: 34 [2020-08-22 06:15:41,926 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:15:41,927 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-22 06:15:41,934 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-22 06:15:41,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-22 06:15:41,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-22 06:15:41,940 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-22 06:15:41,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:41,941 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-22 06:15:41,941 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 06:15:41,941 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-22 06:15:41,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-22 06:15:41,945 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:41,945 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 06:15:41,947 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-22 06:15:41,947 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:41,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:41,948 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-22 06:15:41,949 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:41,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [244675316] [2020-08-22 06:15:41,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:42,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:42,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:42,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:42,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,218 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 06:15:42,219 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [244675316] [2020-08-22 06:15:42,219 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:42,219 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-22 06:15:42,219 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605500493] [2020-08-22 06:15:42,220 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-22 06:15:42,221 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:42,221 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-22 06:15:42,221 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-22 06:15:42,222 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-22 06:15:42,426 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:42,426 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-22 06:15:42,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 06:15:42,427 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-22 06:15:42,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:42,430 INFO L225 Difference]: With dead ends: 54 [2020-08-22 06:15:42,430 INFO L226 Difference]: Without dead ends: 50 [2020-08-22 06:15:42,431 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-22 06:15:42,432 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-22 06:15:42,445 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-22 06:15:42,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-22 06:15:42,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-22 06:15:42,450 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-22 06:15:42,450 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:42,451 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-22 06:15:42,453 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-22 06:15:42,453 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-22 06:15:42,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-22 06:15:42,455 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:42,456 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 06:15:42,456 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-22 06:15:42,456 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:42,457 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:42,457 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-22 06:15:42,457 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:42,457 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [717835154] [2020-08-22 06:15:42,458 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:42,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:42,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-22 06:15:42,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-22 06:15:42,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,627 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 06:15:42,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [717835154] [2020-08-22 06:15:42,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:42,628 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-22 06:15:42,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1402714907] [2020-08-22 06:15:42,629 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-22 06:15:42,630 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:42,630 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-22 06:15:42,630 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-22 06:15:42,631 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-22 06:15:42,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:42,710 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-22 06:15:42,710 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-22 06:15:42,711 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-22 06:15:42,711 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:42,713 INFO L225 Difference]: With dead ends: 94 [2020-08-22 06:15:42,713 INFO L226 Difference]: Without dead ends: 52 [2020-08-22 06:15:42,714 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 06:15:42,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-22 06:15:42,725 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-22 06:15:42,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-22 06:15:42,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-22 06:15:42,727 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-22 06:15:42,727 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:42,727 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-22 06:15:42,727 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-22 06:15:42,728 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-22 06:15:42,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-22 06:15:42,730 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:42,730 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 06:15:42,730 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-22 06:15:42,731 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:42,731 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:42,731 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-22 06:15:42,731 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:42,732 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [383164376] [2020-08-22 06:15:42,732 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:42,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:42,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:42,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:42,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:42,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:42,856 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 06:15:42,857 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [383164376] [2020-08-22 06:15:42,857 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:42,857 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 06:15:42,858 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [958631358] [2020-08-22 06:15:42,858 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 06:15:42,859 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:42,859 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 06:15:42,859 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:15:42,859 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-22 06:15:42,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:42,970 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-22 06:15:42,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-22 06:15:42,971 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-22 06:15:42,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:42,973 INFO L225 Difference]: With dead ends: 103 [2020-08-22 06:15:42,973 INFO L226 Difference]: Without dead ends: 57 [2020-08-22 06:15:42,974 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 06:15:42,975 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-22 06:15:42,985 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-22 06:15:42,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-22 06:15:42,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-22 06:15:42,987 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-22 06:15:42,987 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:42,988 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-22 06:15:42,988 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 06:15:42,988 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-22 06:15:42,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-22 06:15:42,990 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:42,991 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 06:15:42,991 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-22 06:15:42,991 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:42,992 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:42,992 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-22 06:15:42,992 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:42,992 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [846383636] [2020-08-22 06:15:42,993 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:42,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:43,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:43,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:43,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:43,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,159 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 06:15:43,159 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [846383636] [2020-08-22 06:15:43,160 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:43,161 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 06:15:43,161 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1236865219] [2020-08-22 06:15:43,162 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 06:15:43,162 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:43,163 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 06:15:43,163 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:15:43,164 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-22 06:15:43,377 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:43,378 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-22 06:15:43,378 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-22 06:15:43,378 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-22 06:15:43,379 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:43,381 INFO L225 Difference]: With dead ends: 86 [2020-08-22 06:15:43,381 INFO L226 Difference]: Without dead ends: 82 [2020-08-22 06:15:43,382 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 06:15:43,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-22 06:15:43,395 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-22 06:15:43,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-22 06:15:43,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-22 06:15:43,398 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-22 06:15:43,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:43,399 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-22 06:15:43,399 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 06:15:43,399 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-22 06:15:43,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-22 06:15:43,402 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:43,403 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 06:15:43,403 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-22 06:15:43,403 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:43,403 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:43,404 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-22 06:15:43,404 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:43,404 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [852339983] [2020-08-22 06:15:43,405 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:43,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:43,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:43,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:43,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:43,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:43,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:43,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-22 06:15:43,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,552 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 06:15:43,552 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [852339983] [2020-08-22 06:15:43,553 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:43,553 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-22 06:15:43,553 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [694302816] [2020-08-22 06:15:43,554 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-22 06:15:43,554 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:43,554 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-22 06:15:43,555 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-22 06:15:43,555 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-22 06:15:43,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:43,677 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-22 06:15:43,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-22 06:15:43,677 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-22 06:15:43,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:43,680 INFO L225 Difference]: With dead ends: 167 [2020-08-22 06:15:43,680 INFO L226 Difference]: Without dead ends: 94 [2020-08-22 06:15:43,681 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 06:15:43,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-22 06:15:43,696 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-22 06:15:43,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-22 06:15:43,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-22 06:15:43,699 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-22 06:15:43,699 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:43,700 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-22 06:15:43,700 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-22 06:15:43,700 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-22 06:15:43,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-22 06:15:43,702 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:43,702 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 06:15:43,702 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-22 06:15:43,703 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:43,703 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:43,703 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-22 06:15:43,703 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:43,704 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1674481842] [2020-08-22 06:15:43,704 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:43,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:43,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:43,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:43,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:43,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:43,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:43,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:43,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:43,863 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 06:15:43,864 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1674481842] [2020-08-22 06:15:43,864 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:43,864 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 06:15:43,865 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [884369135] [2020-08-22 06:15:43,865 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 06:15:43,866 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:43,866 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 06:15:43,866 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:15:43,866 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-22 06:15:44,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:44,078 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-22 06:15:44,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-22 06:15:44,079 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-22 06:15:44,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:44,081 INFO L225 Difference]: With dead ends: 188 [2020-08-22 06:15:44,082 INFO L226 Difference]: Without dead ends: 109 [2020-08-22 06:15:44,083 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:15:44,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-22 06:15:44,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-22 06:15:44,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-22 06:15:44,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-22 06:15:44,100 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-22 06:15:44,101 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:44,101 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-22 06:15:44,101 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 06:15:44,101 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-22 06:15:44,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-22 06:15:44,103 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:44,103 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 06:15:44,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-22 06:15:44,104 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:44,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:44,104 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-22 06:15:44,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:44,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1796748174] [2020-08-22 06:15:44,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:44,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:44,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:44,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:44,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,338 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 06:15:44,339 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1796748174] [2020-08-22 06:15:44,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:44,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 06:15:44,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [930229059] [2020-08-22 06:15:44,340 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 06:15:44,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:44,341 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 06:15:44,341 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-22 06:15:44,341 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-22 06:15:44,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:44,809 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-22 06:15:44,809 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-22 06:15:44,809 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-22 06:15:44,810 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:44,813 INFO L225 Difference]: With dead ends: 199 [2020-08-22 06:15:44,814 INFO L226 Difference]: Without dead ends: 86 [2020-08-22 06:15:44,816 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 06:15:44,817 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-22 06:15:44,831 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-22 06:15:44,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-22 06:15:44,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-22 06:15:44,837 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-22 06:15:44,838 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:44,838 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-22 06:15:44,838 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 06:15:44,838 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-22 06:15:44,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-22 06:15:44,840 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:44,841 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 06:15:44,841 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-22 06:15:44,841 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:44,841 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:44,842 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-22 06:15:44,842 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:44,842 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1584869226] [2020-08-22 06:15:44,843 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:44,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:44,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:44,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:44,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:44,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-22 06:15:45,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,127 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 06:15:45,128 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1584869226] [2020-08-22 06:15:45,128 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:45,128 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-22 06:15:45,129 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [880487573] [2020-08-22 06:15:45,129 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-22 06:15:45,130 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:45,130 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-22 06:15:45,130 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-22 06:15:45,131 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-22 06:15:45,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:45,351 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-22 06:15:45,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-22 06:15:45,352 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-22 06:15:45,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:45,354 INFO L225 Difference]: With dead ends: 142 [2020-08-22 06:15:45,354 INFO L226 Difference]: Without dead ends: 78 [2020-08-22 06:15:45,355 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 06:15:45,356 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-22 06:15:45,363 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-22 06:15:45,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-22 06:15:45,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-22 06:15:45,365 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-22 06:15:45,366 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:45,366 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-22 06:15:45,366 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-22 06:15:45,366 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-22 06:15:45,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-22 06:15:45,369 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:45,369 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 06:15:45,369 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-22 06:15:45,370 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:45,370 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:45,370 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-22 06:15:45,371 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:45,371 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [101068208] [2020-08-22 06:15:45,371 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:45,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:45,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:45,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-22 06:15:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 06:15:45,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:45,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:45,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-22 06:15:45,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:45,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:45,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:45,948 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 06:15:45,949 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [101068208] [2020-08-22 06:15:45,949 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:45,949 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-22 06:15:45,950 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1353531402] [2020-08-22 06:15:45,950 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-22 06:15:45,951 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:45,951 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-22 06:15:45,951 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-22 06:15:45,951 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-22 06:15:46,505 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:46,505 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-22 06:15:46,506 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-22 06:15:46,506 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-22 06:15:46,506 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:46,508 INFO L225 Difference]: With dead ends: 184 [2020-08-22 06:15:46,508 INFO L226 Difference]: Without dead ends: 111 [2020-08-22 06:15:46,511 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 06:15:46,511 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-22 06:15:46,520 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-22 06:15:46,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-22 06:15:46,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-22 06:15:46,523 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-22 06:15:46,524 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:46,524 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-22 06:15:46,524 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-22 06:15:46,525 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-22 06:15:46,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-22 06:15:46,528 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:46,528 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 06:15:46,529 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-22 06:15:46,529 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:46,529 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:46,529 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-22 06:15:46,530 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:46,530 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [872149368] [2020-08-22 06:15:46,530 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:46,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:46,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:46,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:46,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:46,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:46,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:46,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:46,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-22 06:15:46,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:46,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:46,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:46,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:46,872 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 06:15:46,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [872149368] [2020-08-22 06:15:46,873 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:46,873 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 06:15:46,873 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1185770660] [2020-08-22 06:15:46,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 06:15:46,874 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:46,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 06:15:46,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:15:46,875 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-22 06:15:47,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:47,132 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-22 06:15:47,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-22 06:15:47,135 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-22 06:15:47,135 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:47,137 INFO L225 Difference]: With dead ends: 188 [2020-08-22 06:15:47,138 INFO L226 Difference]: Without dead ends: 101 [2020-08-22 06:15:47,139 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 06:15:47,140 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-22 06:15:47,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-22 06:15:47,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-22 06:15:47,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-22 06:15:47,159 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-22 06:15:47,159 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:47,160 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-22 06:15:47,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 06:15:47,160 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-22 06:15:47,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 06:15:47,163 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:47,163 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 06:15:47,163 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-22 06:15:47,163 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:47,164 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:47,164 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-22 06:15:47,164 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:47,170 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1997708306] [2020-08-22 06:15:47,170 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:47,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:47,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:47,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:47,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:47,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:47,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:47,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:47,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:47,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-22 06:15:47,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:47,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:47,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:47,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:47,685 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 06:15:47,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1997708306] [2020-08-22 06:15:47,687 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:47,687 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 06:15:47,687 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1928048866] [2020-08-22 06:15:47,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 06:15:47,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:47,689 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 06:15:47,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:15:47,689 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-22 06:15:48,381 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:48,381 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-22 06:15:48,382 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-22 06:15:48,382 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-22 06:15:48,382 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:48,385 INFO L225 Difference]: With dead ends: 224 [2020-08-22 06:15:48,385 INFO L226 Difference]: Without dead ends: 131 [2020-08-22 06:15:48,387 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 06:15:48,388 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-22 06:15:48,400 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-22 06:15:48,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-22 06:15:48,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-22 06:15:48,402 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-22 06:15:48,403 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:48,403 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-22 06:15:48,403 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 06:15:48,403 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-22 06:15:48,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-22 06:15:48,405 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:48,406 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 06:15:48,406 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-22 06:15:48,406 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:48,407 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:48,407 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-22 06:15:48,407 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:48,407 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1811152264] [2020-08-22 06:15:48,408 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:48,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:48,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:48,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:48,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:48,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:48,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:48,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:48,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:48,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:48,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:48,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:48,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:48,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:48,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:48,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:48,823 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 06:15:48,823 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1811152264] [2020-08-22 06:15:48,823 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:48,824 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 06:15:48,824 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [181795648] [2020-08-22 06:15:48,824 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 06:15:48,824 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:48,825 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 06:15:48,825 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:15:48,825 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-22 06:15:49,148 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:49,149 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-22 06:15:49,149 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-22 06:15:49,149 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-22 06:15:49,150 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:49,152 INFO L225 Difference]: With dead ends: 244 [2020-08-22 06:15:49,153 INFO L226 Difference]: Without dead ends: 240 [2020-08-22 06:15:49,155 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 06:15:49,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-22 06:15:49,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-22 06:15:49,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-22 06:15:49,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-22 06:15:49,179 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-22 06:15:49,179 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:49,179 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-22 06:15:49,180 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 06:15:49,180 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-22 06:15:49,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-22 06:15:49,184 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:49,184 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 06:15:49,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-22 06:15:49,184 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:49,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:49,185 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-22 06:15:49,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:49,185 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [520903977] [2020-08-22 06:15:49,185 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:49,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:49,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:49,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:49,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:49,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:49,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:49,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:49,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 06:15:49,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:49,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:49,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-22 06:15:49,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:49,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:49,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:49,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:49,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:49,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:49,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-22 06:15:49,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:49,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:49,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:49,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:49,736 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 06:15:49,736 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [520903977] [2020-08-22 06:15:49,736 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:49,737 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-22 06:15:49,737 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539066233] [2020-08-22 06:15:49,738 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-22 06:15:49,738 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:49,738 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-22 06:15:49,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-22 06:15:49,738 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-22 06:15:50,013 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:50,014 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-22 06:15:50,014 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-22 06:15:50,015 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-22 06:15:50,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:50,019 INFO L225 Difference]: With dead ends: 429 [2020-08-22 06:15:50,019 INFO L226 Difference]: Without dead ends: 225 [2020-08-22 06:15:50,023 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 06:15:50,024 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-22 06:15:50,042 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-22 06:15:50,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-22 06:15:50,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-22 06:15:50,046 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-22 06:15:50,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:50,048 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-22 06:15:50,049 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-22 06:15:50,049 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-22 06:15:50,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-22 06:15:50,057 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:50,057 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 06:15:50,058 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-22 06:15:50,058 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:50,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:50,059 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-22 06:15:50,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:50,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1602256608] [2020-08-22 06:15:50,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:50,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:50,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:50,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:50,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:50,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:50,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:50,901 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 06:15:50,902 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1602256608] [2020-08-22 06:15:50,903 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:50,903 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-22 06:15:50,903 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [790534202] [2020-08-22 06:15:50,905 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-22 06:15:50,906 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:50,906 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-22 06:15:50,906 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-22 06:15:50,907 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-22 06:15:51,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:51,275 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-22 06:15:51,276 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-22 06:15:51,276 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-22 06:15:51,277 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:51,292 INFO L225 Difference]: With dead ends: 469 [2020-08-22 06:15:51,292 INFO L226 Difference]: Without dead ends: 465 [2020-08-22 06:15:51,295 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-22 06:15:51,297 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-22 06:15:51,342 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-22 06:15:51,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-22 06:15:51,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-22 06:15:51,350 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-22 06:15:51,353 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:51,353 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-22 06:15:51,353 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-22 06:15:51,354 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-22 06:15:51,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-22 06:15:51,366 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:51,366 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 06:15:51,367 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-22 06:15:51,367 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:51,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:51,367 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-22 06:15:51,368 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:51,368 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [323711377] [2020-08-22 06:15:51,368 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:51,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:51,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:51,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:51,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:51,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:51,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:51,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:51,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:51,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:52,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:52,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:52,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-22 06:15:52,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:52,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:52,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:52,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:52,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:52,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:52,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:52,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-22 06:15:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:52,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:52,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:52,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:52,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:52,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:52,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:52,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:52,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:52,478 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 06:15:52,478 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [323711377] [2020-08-22 06:15:52,478 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:52,479 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 06:15:52,479 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [376433191] [2020-08-22 06:15:52,481 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 06:15:52,486 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:52,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 06:15:52,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:15:52,487 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-22 06:15:52,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:52,945 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-22 06:15:52,946 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 06:15:52,946 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-22 06:15:52,946 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:52,958 INFO L225 Difference]: With dead ends: 924 [2020-08-22 06:15:52,958 INFO L226 Difference]: Without dead ends: 493 [2020-08-22 06:15:52,963 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 06:15:52,963 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-22 06:15:52,997 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-22 06:15:52,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-22 06:15:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-22 06:15:53,002 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-22 06:15:53,003 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:53,003 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-22 06:15:53,003 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 06:15:53,003 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-22 06:15:53,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-22 06:15:53,016 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:53,017 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 06:15:53,017 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-22 06:15:53,017 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:53,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:53,018 INFO L82 PathProgramCache]: Analyzing trace with hash -1718075054, now seen corresponding path program 7 times [2020-08-22 06:15:53,019 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:53,019 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2006070238] [2020-08-22 06:15:53,020 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:53,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:53,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:53,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:53,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:53,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:53,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:53,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:53,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:53,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:53,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:53,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:53,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:53,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:53,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:54,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:54,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:54,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:54,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:54,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:54,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:54,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 06:15:54,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:54,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:54,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:54,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:54,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:54,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:54,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:54,933 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 06:15:54,934 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2006070238] [2020-08-22 06:15:54,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:54,934 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 06:15:54,934 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1374135442] [2020-08-22 06:15:54,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 06:15:54,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:54,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 06:15:54,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-22 06:15:54,936 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 18 states. [2020-08-22 06:15:56,047 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:56,048 INFO L93 Difference]: Finished difference Result 836 states and 1442 transitions. [2020-08-22 06:15:56,048 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-22 06:15:56,048 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-08-22 06:15:56,049 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:56,056 INFO L225 Difference]: With dead ends: 836 [2020-08-22 06:15:56,056 INFO L226 Difference]: Without dead ends: 395 [2020-08-22 06:15:56,064 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 06:15:56,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-08-22 06:15:56,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 327. [2020-08-22 06:15:56,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-08-22 06:15:56,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 502 transitions. [2020-08-22 06:15:56,096 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 502 transitions. Word has length 572 [2020-08-22 06:15:56,096 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:56,097 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 502 transitions. [2020-08-22 06:15:56,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 06:15:56,097 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 502 transitions. [2020-08-22 06:15:56,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-22 06:15:56,103 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:56,104 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 06:15:56,104 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-22 06:15:56,104 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:56,105 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:56,105 INFO L82 PathProgramCache]: Analyzing trace with hash 1572493120, now seen corresponding path program 8 times [2020-08-22 06:15:56,105 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:56,105 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1717191381] [2020-08-22 06:15:56,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:56,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:56,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:56,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:56,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:56,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:56,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:56,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:56,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:56,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:56,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:56,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:56,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-22 06:15:56,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:56,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:56,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:56,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:56,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:56,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:57,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:57,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:57,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:57,257 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 06:15:57,257 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1717191381] [2020-08-22 06:15:57,258 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:57,258 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-22 06:15:57,258 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [207122368] [2020-08-22 06:15:57,259 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-22 06:15:57,259 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:57,259 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-22 06:15:57,260 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-22 06:15:57,260 INFO L87 Difference]: Start difference. First operand 327 states and 502 transitions. Second operand 16 states. [2020-08-22 06:15:57,992 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:15:57,993 INFO L93 Difference]: Finished difference Result 720 states and 1202 transitions. [2020-08-22 06:15:57,994 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-22 06:15:57,994 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 354 [2020-08-22 06:15:57,995 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:15:58,004 INFO L225 Difference]: With dead ends: 720 [2020-08-22 06:15:58,004 INFO L226 Difference]: Without dead ends: 415 [2020-08-22 06:15:58,010 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 06:15:58,011 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-08-22 06:15:58,054 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 375. [2020-08-22 06:15:58,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-22 06:15:58,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 561 transitions. [2020-08-22 06:15:58,062 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 561 transitions. Word has length 354 [2020-08-22 06:15:58,063 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:15:58,063 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 561 transitions. [2020-08-22 06:15:58,063 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-22 06:15:58,063 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 561 transitions. [2020-08-22 06:15:58,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-08-22 06:15:58,067 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:15:58,068 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 23, 23, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:15:58,068 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-22 06:15:58,068 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:15:58,068 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:15:58,069 INFO L82 PathProgramCache]: Analyzing trace with hash 634662915, now seen corresponding path program 9 times [2020-08-22 06:15:58,069 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:15:58,070 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1845861447] [2020-08-22 06:15:58,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:15:58,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:15:58,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:15:58,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:58,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:58,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:58,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:58,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:58,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:58,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:15:58,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:58,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:58,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:58,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:15:58,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:58,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:58,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:58,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:58,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:58,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:58,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:58,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:58,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:58,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:15:58,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:59,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:59,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:59,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:59,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:15:59,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:59,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:59,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:15:59,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:15:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:15:59,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:15:59,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:15:59,402 INFO L134 CoverageAnalysis]: Checked inductivity of 4370 backedges. 694 proven. 802 refuted. 0 times theorem prover too weak. 2874 trivial. 0 not checked. [2020-08-22 06:15:59,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1845861447] [2020-08-22 06:15:59,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:15:59,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-22 06:15:59,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [558450522] [2020-08-22 06:15:59,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-22 06:15:59,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:15:59,404 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-22 06:15:59,404 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-22 06:15:59,404 INFO L87 Difference]: Start difference. First operand 375 states and 561 transitions. Second operand 18 states. [2020-08-22 06:16:00,351 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:16:00,351 INFO L93 Difference]: Finished difference Result 816 states and 1328 transitions. [2020-08-22 06:16:00,352 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-22 06:16:00,352 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 395 [2020-08-22 06:16:00,353 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:16:00,361 INFO L225 Difference]: With dead ends: 816 [2020-08-22 06:16:00,361 INFO L226 Difference]: Without dead ends: 463 [2020-08-22 06:16:00,365 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-22 06:16:00,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-08-22 06:16:00,406 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 399. [2020-08-22 06:16:00,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-08-22 06:16:00,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 606 transitions. [2020-08-22 06:16:00,412 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 606 transitions. Word has length 395 [2020-08-22 06:16:00,415 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:16:00,415 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 606 transitions. [2020-08-22 06:16:00,415 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-22 06:16:00,415 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 606 transitions. [2020-08-22 06:16:00,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-22 06:16:00,422 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:16:00,423 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:16:00,423 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-22 06:16:00,423 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:16:00,424 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:16:00,424 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 10 times [2020-08-22 06:16:00,424 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:16:00,425 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1338239330] [2020-08-22 06:16:00,425 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:16:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:00,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:16:00,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:00,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:16:00,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:00,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:00,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:00,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:00,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:00,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:01,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:01,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:01,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:01,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:01,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:01,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:01,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:01,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:01,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:01,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:16:01,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:01,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:01,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:01,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:01,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:01,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:01,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:01,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:01,842 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-08-22 06:16:01,843 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1338239330] [2020-08-22 06:16:01,843 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:16:01,843 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-22 06:16:01,843 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1930083439] [2020-08-22 06:16:01,844 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-22 06:16:01,844 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:16:01,844 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-22 06:16:01,844 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-22 06:16:01,845 INFO L87 Difference]: Start difference. First operand 399 states and 606 transitions. Second operand 22 states. [2020-08-22 06:16:02,927 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:16:02,927 INFO L93 Difference]: Finished difference Result 886 states and 1553 transitions. [2020-08-22 06:16:02,928 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-22 06:16:02,928 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-22 06:16:02,929 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:16:02,936 INFO L225 Difference]: With dead ends: 886 [2020-08-22 06:16:02,937 INFO L226 Difference]: Without dead ends: 509 [2020-08-22 06:16:02,943 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-22 06:16:02,944 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-08-22 06:16:02,984 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 475. [2020-08-22 06:16:02,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-08-22 06:16:02,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 773 transitions. [2020-08-22 06:16:02,991 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 773 transitions. Word has length 436 [2020-08-22 06:16:02,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:16:02,992 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 773 transitions. [2020-08-22 06:16:02,992 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-22 06:16:02,992 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 773 transitions. [2020-08-22 06:16:02,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-08-22 06:16:02,998 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:16:02,998 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 35, 35, 30, 29, 19, 19, 19, 19, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 13, 10, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:16:02,999 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-22 06:16:02,999 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:16:02,999 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:16:02,999 INFO L82 PathProgramCache]: Analyzing trace with hash -1638954211, now seen corresponding path program 11 times [2020-08-22 06:16:03,000 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:16:03,001 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4792693] [2020-08-22 06:16:03,001 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:16:03,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:16:03,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:16:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:03,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:03,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:03,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:03,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:03,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:03,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:03,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:03,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:03,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:03,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:03,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:03,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:16:03,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:03,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:03,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:03,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:03,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:04,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:04,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:04,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:04,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:04,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:04,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:04,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:04,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:04,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:04,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:04,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:04,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:04,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:04,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:04,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:04,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:04,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:04,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:04,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:04,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:04,641 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 1340 proven. 1409 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2020-08-22 06:16:04,642 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4792693] [2020-08-22 06:16:04,642 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:16:04,642 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-22 06:16:04,642 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1956558147] [2020-08-22 06:16:04,643 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-22 06:16:04,643 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:16:04,643 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-22 06:16:04,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-08-22 06:16:04,646 INFO L87 Difference]: Start difference. First operand 475 states and 773 transitions. Second operand 24 states. [2020-08-22 06:16:06,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:16:06,091 INFO L93 Difference]: Finished difference Result 761 states and 1315 transitions. [2020-08-22 06:16:06,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-08-22 06:16:06,092 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 504 [2020-08-22 06:16:06,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:16:06,097 INFO L225 Difference]: With dead ends: 761 [2020-08-22 06:16:06,097 INFO L226 Difference]: Without dead ends: 307 [2020-08-22 06:16:06,103 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1052 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=515, Invalid=3145, Unknown=0, NotChecked=0, Total=3660 [2020-08-22 06:16:06,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-08-22 06:16:06,118 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-08-22 06:16:06,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-08-22 06:16:06,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 383 transitions. [2020-08-22 06:16:06,121 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 383 transitions. Word has length 504 [2020-08-22 06:16:06,121 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:16:06,121 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 383 transitions. [2020-08-22 06:16:06,121 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-22 06:16:06,121 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 383 transitions. [2020-08-22 06:16:06,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2020-08-22 06:16:06,144 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:16:06,145 INFO L422 BasicCegarLoop]: trace histogram [126, 126, 119, 119, 99, 99, 63, 63, 63, 63, 63, 63, 63, 59, 59, 59, 59, 59, 59, 59, 40, 36, 27, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:16:06,145 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-22 06:16:06,145 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:16:06,146 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:16:06,146 INFO L82 PathProgramCache]: Analyzing trace with hash 427401527, now seen corresponding path program 12 times [2020-08-22 06:16:06,146 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:16:06,146 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [3088472] [2020-08-22 06:16:06,147 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:16:06,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:07,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:16:07,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:07,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:16:07,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:07,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:08,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:08,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:08,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:08,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:08,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:08,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:08,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:08,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:08,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:08,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:08,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:08,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:08,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:08,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:08,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:08,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:08,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:08,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:08,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:16:08,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:08,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:08,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:09,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:09,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:09,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:09,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:09,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:09,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:09,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:09,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:09,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-22 06:16:09,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:09,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:09,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-22 06:16:09,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:09,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:09,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:09,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:09,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:09,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:09,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:09,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:09,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2020-08-22 06:16:10,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:10,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:10,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:10,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:10,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:10,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:10,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:10,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:10,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:10,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:10,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:10,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:10,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:10,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:10,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:10,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:10,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:10,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:10,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:10,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:10,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:10,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:16:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:11,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:11,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:11,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-22 06:16:11,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:11,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:11,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:11,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:11,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:11,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:11,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-22 06:16:11,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:11,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:11,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:11,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:11,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:11,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:11,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:13,685 INFO L134 CoverageAnalysis]: Checked inductivity of 83942 backedges. 2248 proven. 10082 refuted. 0 times theorem prover too weak. 71612 trivial. 0 not checked. [2020-08-22 06:16:13,686 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [3088472] [2020-08-22 06:16:13,686 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:16:13,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-22 06:16:13,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [801142363] [2020-08-22 06:16:13,688 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-22 06:16:13,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:16:13,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-22 06:16:13,689 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2020-08-22 06:16:13,689 INFO L87 Difference]: Start difference. First operand 262 states and 383 transitions. Second operand 21 states. [2020-08-22 06:16:15,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:16:15,079 INFO L93 Difference]: Finished difference Result 516 states and 867 transitions. [2020-08-22 06:16:15,079 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-08-22 06:16:15,079 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1675 [2020-08-22 06:16:15,080 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:16:15,088 INFO L225 Difference]: With dead ends: 516 [2020-08-22 06:16:15,088 INFO L226 Difference]: Without dead ends: 266 [2020-08-22 06:16:15,092 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=2305, Unknown=0, NotChecked=0, Total=2652 [2020-08-22 06:16:15,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-08-22 06:16:15,110 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 241. [2020-08-22 06:16:15,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-08-22 06:16:15,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 352 transitions. [2020-08-22 06:16:15,113 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 352 transitions. Word has length 1675 [2020-08-22 06:16:15,113 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:16:15,114 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 352 transitions. [2020-08-22 06:16:15,114 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-22 06:16:15,114 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 352 transitions. [2020-08-22 06:16:15,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-22 06:16:15,123 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:16:15,124 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 06:16:15,125 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-22 06:16:15,127 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:16:15,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:16:15,128 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 13 times [2020-08-22 06:16:15,128 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:16:15,128 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [763825420] [2020-08-22 06:16:15,128 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:16:15,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:15,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:16:15,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:15,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:16:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:15,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:15,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:15,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:15,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:15,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:15,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:15,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:15,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:16,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:16,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:16,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:16,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:16:16,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:16,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:16,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:16,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:16:16,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:16,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:16,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:16,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:16,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:16,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:16,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:16,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:16,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:16,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:16,624 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:17,168 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 06:16:17,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [763825420] [2020-08-22 06:16:17,169 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:16:17,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-22 06:16:17,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824239412] [2020-08-22 06:16:17,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-22 06:16:17,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:16:17,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-22 06:16:17,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-22 06:16:17,171 INFO L87 Difference]: Start difference. First operand 241 states and 352 transitions. Second operand 14 states. [2020-08-22 06:16:17,607 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:16:17,607 INFO L93 Difference]: Finished difference Result 686 states and 1079 transitions. [2020-08-22 06:16:17,611 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-22 06:16:17,612 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-22 06:16:17,615 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:16:17,628 INFO L225 Difference]: With dead ends: 686 [2020-08-22 06:16:17,628 INFO L226 Difference]: Without dead ends: 682 [2020-08-22 06:16:17,629 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-22 06:16:17,630 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-08-22 06:16:17,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 648. [2020-08-22 06:16:17,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-08-22 06:16:17,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1012 transitions. [2020-08-22 06:16:17,674 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1012 transitions. Word has length 749 [2020-08-22 06:16:17,674 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:16:17,674 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 1012 transitions. [2020-08-22 06:16:17,674 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-22 06:16:17,674 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1012 transitions. [2020-08-22 06:16:17,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1962 [2020-08-22 06:16:17,706 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:16:17,707 INFO L422 BasicCegarLoop]: trace histogram [145, 145, 142, 142, 117, 115, 72, 72, 72, 72, 72, 72, 72, 71, 71, 71, 71, 71, 71, 71, 46, 43, 28, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:16:17,708 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-22 06:16:17,708 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:16:17,708 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:16:17,709 INFO L82 PathProgramCache]: Analyzing trace with hash -88736994, now seen corresponding path program 14 times [2020-08-22 06:16:17,709 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:16:17,709 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [407751152] [2020-08-22 06:16:17,709 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:16:17,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:19,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:16:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:19,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-22 06:16:19,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:19,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,414 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:20,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:20,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:20,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:20,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:20,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:20,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:20,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:20,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:20,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:20,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:20,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:20,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:16:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:20,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:20,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:20,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:20,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:20,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:16:20,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:21,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:21,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:21,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:21,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:21,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:21,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:21,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:21,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:21,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:21,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:21,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:21,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:21,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:21,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:21,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:21,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:21,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:21,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:21,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-22 06:16:21,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:21,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:22,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:22,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:22,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:22,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:22,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:16:22,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:22,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:22,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:22,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:22,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:22,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:22,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:22,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:22,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:23,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:23,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-22 06:16:23,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:23,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:23,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:23,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:23,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:23,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:23,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:23,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:23,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:23,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:23,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:23,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-22 06:16:23,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:23,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:23,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:23,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:23,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:23,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:23,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:23,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:23,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-08-22 06:16:24,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:24,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:24,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:24,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:24,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:24,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:24,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:24,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-22 06:16:24,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:24,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:24,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:24,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:24,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-22 06:16:24,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:24,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-22 06:16:24,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:24,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-22 06:16:24,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-22 06:16:24,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-22 06:16:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:24,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-22 06:16:24,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:27,455 INFO L134 CoverageAnalysis]: Checked inductivity of 115309 backedges. 7486 proven. 11970 refuted. 0 times theorem prover too weak. 95853 trivial. 0 not checked. [2020-08-22 06:16:27,456 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [407751152] [2020-08-22 06:16:27,456 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-22 06:16:27,456 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-08-22 06:16:27,456 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1557161967] [2020-08-22 06:16:27,457 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-08-22 06:16:27,458 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-22 06:16:27,458 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-08-22 06:16:27,458 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=914, Unknown=0, NotChecked=0, Total=1056 [2020-08-22 06:16:27,459 INFO L87 Difference]: Start difference. First operand 648 states and 1012 transitions. Second operand 33 states. [2020-08-22 06:16:29,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-22 06:16:29,945 INFO L93 Difference]: Finished difference Result 995 states and 1731 transitions. [2020-08-22 06:16:29,948 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 83 states. [2020-08-22 06:16:29,948 INFO L78 Accepts]: Start accepts. Automaton has 33 states. Word has length 1961 [2020-08-22 06:16:29,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-22 06:16:29,956 INFO L225 Difference]: With dead ends: 995 [2020-08-22 06:16:29,956 INFO L226 Difference]: Without dead ends: 371 [2020-08-22 06:16:29,964 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 671 GetRequests, 578 SyntacticMatches, 0 SemanticMatches, 93 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2952 ImplicationChecksByTransitivity, 1.5s TimeCoverageRelationStatistics Valid=986, Invalid=7944, Unknown=0, NotChecked=0, Total=8930 [2020-08-22 06:16:29,965 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 371 states. [2020-08-22 06:16:29,990 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 371 to 306. [2020-08-22 06:16:29,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 306 states. [2020-08-22 06:16:29,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 306 states to 306 states and 462 transitions. [2020-08-22 06:16:29,993 INFO L78 Accepts]: Start accepts. Automaton has 306 states and 462 transitions. Word has length 1961 [2020-08-22 06:16:29,996 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-22 06:16:29,996 INFO L479 AbstractCegarLoop]: Abstraction has 306 states and 462 transitions. [2020-08-22 06:16:29,996 INFO L480 AbstractCegarLoop]: Interpolant automaton has 33 states. [2020-08-22 06:16:29,996 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 462 transitions. [2020-08-22 06:16:30,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1962 [2020-08-22 06:16:30,029 INFO L414 BasicCegarLoop]: Found error trace [2020-08-22 06:16:30,030 INFO L422 BasicCegarLoop]: trace histogram [144, 144, 143, 143, 116, 116, 72, 72, 72, 72, 72, 72, 72, 71, 71, 71, 71, 71, 71, 71, 45, 44, 28, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-22 06:16:30,030 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-22 06:16:30,031 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-22 06:16:30,031 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-22 06:16:30,031 INFO L82 PathProgramCache]: Analyzing trace with hash -23958708, now seen corresponding path program 15 times [2020-08-22 06:16:30,032 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-22 06:16:30,032 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302593841] [2020-08-22 06:16:30,032 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-22 06:16:30,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:31,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-22 06:16:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-22 06:16:31,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5