/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=DEEPEST --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_25-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 20:32:05,448 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 20:32:05,451 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 20:32:05,497 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 20:32:05,498 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 20:32:05,510 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 20:32:05,513 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 20:32:05,514 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 20:32:05,517 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 20:32:05,518 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 20:32:05,519 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 20:32:05,523 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 20:32:05,523 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 20:32:05,526 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 20:32:05,527 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 20:32:05,530 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 20:32:05,533 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 20:32:05,534 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 20:32:05,536 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 20:32:05,543 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 20:32:05,546 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 20:32:05,547 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 20:32:05,548 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 20:32:05,549 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 20:32:05,554 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 20:32:05,554 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 20:32:05,554 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 20:32:05,557 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 20:32:05,559 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 20:32:05,559 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 20:32:05,560 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 20:32:05,560 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 20:32:05,561 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 20:32:05,562 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 20:32:05,563 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 20:32:05,563 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 20:32:05,564 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 20:32:05,564 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 20:32:05,564 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 20:32:05,565 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 20:32:05,567 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 20:32:05,568 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf [2020-08-21 20:32:05,615 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 20:32:05,615 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 20:32:05,617 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 20:32:05,618 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 20:32:05,618 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 20:32:05,618 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 20:32:05,619 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 20:32:05,619 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 20:32:05,619 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 20:32:05,619 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 20:32:05,620 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 20:32:05,621 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 20:32:05,621 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 20:32:05,621 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 20:32:05,621 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 20:32:05,622 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 20:32:05,622 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 20:32:05,622 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 20:32:05,622 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 20:32:05,622 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 20:32:05,623 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 20:32:05,623 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:32:05,623 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 20:32:05,623 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 20:32:05,623 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 20:32:05,624 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 20:32:05,624 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 20:32:05,624 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 20:32:05,624 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 20:32:05,624 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=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=DEEPEST;log-additional-information=true; [2020-08-21 20:32:05,919 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 20:32:05,939 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 20:32:05,945 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 20:32:05,947 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 20:32:05,948 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 20:32:05,949 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_25-1.c [2020-08-21 20:32:06,029 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1f1df4d9/11c2ea9ef43a49149be30099061f4915/FLAG34347f6da [2020-08-21 20:32:06,536 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 20:32:06,537 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_25-1.c [2020-08-21 20:32:06,545 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1f1df4d9/11c2ea9ef43a49149be30099061f4915/FLAG34347f6da [2020-08-21 20:32:06,915 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d1f1df4d9/11c2ea9ef43a49149be30099061f4915 [2020-08-21 20:32:06,928 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 20:32:06,930 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 20:32:06,932 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 20:32:06,933 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 20:32:06,937 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 20:32:06,938 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:32:06" (1/1) ... [2020-08-21 20:32:06,942 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@548345a1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:06, skipping insertion in model container [2020-08-21 20:32:06,942 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 08:32:06" (1/1) ... [2020-08-21 20:32:06,950 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 20:32:06,966 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 20:32:07,143 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:32:07,148 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 20:32:07,165 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 20:32:07,179 INFO L208 MainTranslator]: Completed translation [2020-08-21 20:32:07,180 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07 WrapperNode [2020-08-21 20:32:07,180 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 20:32:07,181 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 20:32:07,181 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 20:32:07,181 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 20:32:07,192 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07" (1/1) ... [2020-08-21 20:32:07,192 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07" (1/1) ... [2020-08-21 20:32:07,287 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07" (1/1) ... [2020-08-21 20:32:07,288 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07" (1/1) ... [2020-08-21 20:32:07,291 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07" (1/1) ... [2020-08-21 20:32:07,294 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07" (1/1) ... [2020-08-21 20:32:07,295 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07" (1/1) ... [2020-08-21 20:32:07,297 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 20:32:07,297 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 20:32:07,298 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 20:32:07,298 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 20:32:07,299 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07" (1/1) ... No working directory specified, using /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 20:32:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 20:32:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 20:32:07,365 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo [2020-08-21 20:32:07,366 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 20:32:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 20:32:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 20:32:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure fibo [2020-08-21 20:32:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 20:32:07,366 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 20:32:07,367 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 20:32:07,546 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 20:32:07,546 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 20:32:07,550 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:32:07 BoogieIcfgContainer [2020-08-21 20:32:07,550 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 20:32:07,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 20:32:07,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 20:32:07,555 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 20:32:07,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 08:32:06" (1/3) ... [2020-08-21 20:32:07,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e98ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:32:07, skipping insertion in model container [2020-08-21 20:32:07,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 08:32:07" (2/3) ... [2020-08-21 20:32:07,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@65e98ffd and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 08:32:07, skipping insertion in model container [2020-08-21 20:32:07,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 08:32:07" (3/3) ... [2020-08-21 20:32:07,559 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_25-1.c [2020-08-21 20:32:07,570 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 20:32:07,578 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 20:32:07,593 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 20:32:07,617 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 20:32:07,618 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 20:32:07,618 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 20:32:07,618 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 20:32:07,618 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 20:32:07,618 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 20:32:07,619 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 20:32:07,619 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 20:32:07,638 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states. [2020-08-21 20:32:07,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-21 20:32:07,646 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:07,647 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:07,647 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:07,652 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:07,653 INFO L82 PathProgramCache]: Analyzing trace with hash 537028541, now seen corresponding path program 1 times [2020-08-21 20:32:07,660 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:07,660 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [462595049] [2020-08-21 20:32:07,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:07,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:07,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:07,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:07,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:07,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:07,887 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:32:07,888 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [462595049] [2020-08-21 20:32:07,890 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:32:07,891 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 20:32:07,892 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [996600638] [2020-08-21 20:32:07,898 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 20:32:07,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:07,924 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 20:32:07,925 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:32:07,936 INFO L87 Difference]: Start difference. First operand 24 states. Second operand 5 states. [2020-08-21 20:32:08,156 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:08,157 INFO L93 Difference]: Finished difference Result 35 states and 41 transitions. [2020-08-21 20:32:08,157 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:32:08,159 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-21 20:32:08,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:08,170 INFO L225 Difference]: With dead ends: 35 [2020-08-21 20:32:08,171 INFO L226 Difference]: Without dead ends: 21 [2020-08-21 20:32:08,175 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 20:32:08,194 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21 states. [2020-08-21 20:32:08,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21 to 21. [2020-08-21 20:32:08,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-08-21 20:32:08,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-08-21 20:32:08,226 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 13 [2020-08-21 20:32:08,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:08,227 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-08-21 20:32:08,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 20:32:08,227 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-08-21 20:32:08,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-21 20:32:08,229 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:08,230 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:08,230 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 20:32:08,230 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:08,231 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:08,231 INFO L82 PathProgramCache]: Analyzing trace with hash 179123823, now seen corresponding path program 1 times [2020-08-21 20:32:08,231 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:08,232 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [40755311] [2020-08-21 20:32:08,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:08,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:08,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:08,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,323 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-21 20:32:08,324 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [40755311] [2020-08-21 20:32:08,324 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 20:32:08,324 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 20:32:08,325 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1588333687] [2020-08-21 20:32:08,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 20:32:08,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:08,328 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 20:32:08,328 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 20:32:08,329 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 5 states. [2020-08-21 20:32:08,397 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:08,398 INFO L93 Difference]: Finished difference Result 27 states and 32 transitions. [2020-08-21 20:32:08,398 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 20:32:08,399 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-21 20:32:08,399 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:08,400 INFO L225 Difference]: With dead ends: 27 [2020-08-21 20:32:08,400 INFO L226 Difference]: Without dead ends: 23 [2020-08-21 20:32:08,402 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 5 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2020-08-21 20:32:08,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-08-21 20:32:08,408 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 21. [2020-08-21 20:32:08,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 21 states. [2020-08-21 20:32:08,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21 states to 21 states and 25 transitions. [2020-08-21 20:32:08,410 INFO L78 Accepts]: Start accepts. Automaton has 21 states and 25 transitions. Word has length 14 [2020-08-21 20:32:08,410 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:08,411 INFO L479 AbstractCegarLoop]: Abstraction has 21 states and 25 transitions. [2020-08-21 20:32:08,411 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 20:32:08,411 INFO L276 IsEmpty]: Start isEmpty. Operand 21 states and 25 transitions. [2020-08-21 20:32:08,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-21 20:32:08,412 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:08,413 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:08,413 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 20:32:08,413 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:08,414 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:08,414 INFO L82 PathProgramCache]: Analyzing trace with hash 806022394, now seen corresponding path program 1 times [2020-08-21 20:32:08,414 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:08,415 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1578883375] [2020-08-21 20:32:08,415 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:08,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:08,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:08,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:08,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 20:32:08,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,560 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 5 proven. 3 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2020-08-21 20:32:08,561 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1578883375] [2020-08-21 20:32:08,561 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:08,561 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:32:08,561 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1235071542] [2020-08-21 20:32:08,562 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:32:08,562 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:08,563 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:32:08,563 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:32:08,563 INFO L87 Difference]: Start difference. First operand 21 states and 25 transitions. Second operand 7 states. [2020-08-21 20:32:08,666 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:08,667 INFO L93 Difference]: Finished difference Result 38 states and 49 transitions. [2020-08-21 20:32:08,667 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:32:08,668 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-21 20:32:08,668 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:08,669 INFO L225 Difference]: With dead ends: 38 [2020-08-21 20:32:08,669 INFO L226 Difference]: Without dead ends: 23 [2020-08-21 20:32:08,670 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=26, Invalid=64, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:32:08,671 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23 states. [2020-08-21 20:32:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23 to 23. [2020-08-21 20:32:08,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 23 states. [2020-08-21 20:32:08,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23 states to 23 states and 27 transitions. [2020-08-21 20:32:08,680 INFO L78 Accepts]: Start accepts. Automaton has 23 states and 27 transitions. Word has length 26 [2020-08-21 20:32:08,680 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:08,681 INFO L479 AbstractCegarLoop]: Abstraction has 23 states and 27 transitions. [2020-08-21 20:32:08,681 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:32:08,681 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 27 transitions. [2020-08-21 20:32:08,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 20:32:08,683 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:08,683 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:08,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 20:32:08,684 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:08,684 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:08,685 INFO L82 PathProgramCache]: Analyzing trace with hash -983862936, now seen corresponding path program 1 times [2020-08-21 20:32:08,685 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:08,685 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [442069476] [2020-08-21 20:32:08,686 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:08,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:08,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:08,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:08,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,785 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2020-08-21 20:32:08,785 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [442069476] [2020-08-21 20:32:08,786 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:08,786 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 20:32:08,786 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [989962728] [2020-08-21 20:32:08,787 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 20:32:08,787 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:08,788 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 20:32:08,788 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 20:32:08,788 INFO L87 Difference]: Start difference. First operand 23 states and 27 transitions. Second operand 6 states. [2020-08-21 20:32:08,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:08,903 INFO L93 Difference]: Finished difference Result 41 states and 55 transitions. [2020-08-21 20:32:08,904 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 20:32:08,904 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 27 [2020-08-21 20:32:08,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:08,906 INFO L225 Difference]: With dead ends: 41 [2020-08-21 20:32:08,907 INFO L226 Difference]: Without dead ends: 37 [2020-08-21 20:32:08,907 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 17 GetRequests, 11 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:32:08,908 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 37 states. [2020-08-21 20:32:08,917 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 37 to 37. [2020-08-21 20:32:08,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 37 states. [2020-08-21 20:32:08,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 37 states to 37 states and 51 transitions. [2020-08-21 20:32:08,919 INFO L78 Accepts]: Start accepts. Automaton has 37 states and 51 transitions. Word has length 27 [2020-08-21 20:32:08,920 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:08,920 INFO L479 AbstractCegarLoop]: Abstraction has 37 states and 51 transitions. [2020-08-21 20:32:08,920 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 20:32:08,920 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 51 transitions. [2020-08-21 20:32:08,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 20:32:08,922 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:08,923 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:08,923 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 20:32:08,923 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:08,924 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:08,924 INFO L82 PathProgramCache]: Analyzing trace with hash 146085807, now seen corresponding path program 2 times [2020-08-21 20:32:08,924 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:08,924 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [197555772] [2020-08-21 20:32:08,925 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:08,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:08,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:08,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:08,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:09,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:09,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:09,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,139 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 23 proven. 7 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2020-08-21 20:32:09,140 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [197555772] [2020-08-21 20:32:09,140 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:09,140 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 20:32:09,141 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1540306510] [2020-08-21 20:32:09,141 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 20:32:09,141 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:09,142 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 20:32:09,142 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 20:32:09,142 INFO L87 Difference]: Start difference. First operand 37 states and 51 transitions. Second operand 8 states. [2020-08-21 20:32:09,282 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:09,283 INFO L93 Difference]: Finished difference Result 79 states and 124 transitions. [2020-08-21 20:32:09,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 20:32:09,284 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-21 20:32:09,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:09,286 INFO L225 Difference]: With dead ends: 79 [2020-08-21 20:32:09,286 INFO L226 Difference]: Without dead ends: 48 [2020-08-21 20:32:09,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 25 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=80, Unknown=0, NotChecked=0, Total=110 [2020-08-21 20:32:09,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 48 states. [2020-08-21 20:32:09,298 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 48 to 42. [2020-08-21 20:32:09,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 42 states. [2020-08-21 20:32:09,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 42 states and 57 transitions. [2020-08-21 20:32:09,300 INFO L78 Accepts]: Start accepts. Automaton has 42 states and 57 transitions. Word has length 40 [2020-08-21 20:32:09,301 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:09,301 INFO L479 AbstractCegarLoop]: Abstraction has 42 states and 57 transitions. [2020-08-21 20:32:09,301 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 20:32:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 57 transitions. [2020-08-21 20:32:09,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 20:32:09,303 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:09,303 INFO L422 BasicCegarLoop]: trace histogram [5, 5, 4, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:09,304 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 20:32:09,304 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:09,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:09,304 INFO L82 PathProgramCache]: Analyzing trace with hash -1111873851, now seen corresponding path program 3 times [2020-08-21 20:32:09,305 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:09,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [438724122] [2020-08-21 20:32:09,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:09,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:09,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:09,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:09,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,419 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 6 proven. 24 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2020-08-21 20:32:09,420 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [438724122] [2020-08-21 20:32:09,420 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:09,420 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 20:32:09,420 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2118294796] [2020-08-21 20:32:09,421 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 20:32:09,421 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:09,422 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 20:32:09,422 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 20:32:09,422 INFO L87 Difference]: Start difference. First operand 42 states and 57 transitions. Second operand 7 states. [2020-08-21 20:32:09,532 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:09,532 INFO L93 Difference]: Finished difference Result 65 states and 93 transitions. [2020-08-21 20:32:09,533 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 20:32:09,533 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 41 [2020-08-21 20:32:09,533 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:09,535 INFO L225 Difference]: With dead ends: 65 [2020-08-21 20:32:09,535 INFO L226 Difference]: Without dead ends: 61 [2020-08-21 20:32:09,536 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 16 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:32:09,537 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 61 states. [2020-08-21 20:32:09,548 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 61 to 58. [2020-08-21 20:32:09,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 58 states. [2020-08-21 20:32:09,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 58 states and 84 transitions. [2020-08-21 20:32:09,550 INFO L78 Accepts]: Start accepts. Automaton has 58 states and 84 transitions. Word has length 41 [2020-08-21 20:32:09,551 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:09,551 INFO L479 AbstractCegarLoop]: Abstraction has 58 states and 84 transitions. [2020-08-21 20:32:09,551 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 20:32:09,551 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 84 transitions. [2020-08-21 20:32:09,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-21 20:32:09,555 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:09,555 INFO L422 BasicCegarLoop]: trace histogram [11, 11, 9, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:09,556 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 20:32:09,556 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:09,556 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:09,556 INFO L82 PathProgramCache]: Analyzing trace with hash -1986920854, now seen corresponding path program 4 times [2020-08-21 20:32:09,557 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:09,557 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [684721798] [2020-08-21 20:32:09,557 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:09,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:09,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:09,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:09,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:09,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:09,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:09,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:09,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:09,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:09,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:09,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:09,875 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 77 proven. 104 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2020-08-21 20:32:09,875 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [684721798] [2020-08-21 20:32:09,876 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:09,876 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 20:32:09,876 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1460842751] [2020-08-21 20:32:09,877 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 20:32:09,877 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:09,877 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 20:32:09,878 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=24, Invalid=86, Unknown=0, NotChecked=0, Total=110 [2020-08-21 20:32:09,878 INFO L87 Difference]: Start difference. First operand 58 states and 84 transitions. Second operand 11 states. [2020-08-21 20:32:10,215 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:10,215 INFO L93 Difference]: Finished difference Result 107 states and 178 transitions. [2020-08-21 20:32:10,216 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 20:32:10,216 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 82 [2020-08-21 20:32:10,217 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:10,220 INFO L225 Difference]: With dead ends: 107 [2020-08-21 20:32:10,220 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 20:32:10,222 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 48 GetRequests, 30 SyntacticMatches, 0 SemanticMatches, 18 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=100, Invalid=280, Unknown=0, NotChecked=0, Total=380 [2020-08-21 20:32:10,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 20:32:10,232 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-21 20:32:10,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-21 20:32:10,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 70 transitions. [2020-08-21 20:32:10,234 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 70 transitions. Word has length 82 [2020-08-21 20:32:10,235 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:10,235 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 70 transitions. [2020-08-21 20:32:10,235 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 20:32:10,235 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 70 transitions. [2020-08-21 20:32:10,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 20:32:10,241 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:10,241 INFO L422 BasicCegarLoop]: trace histogram [19, 19, 15, 9, 9, 9, 9, 9, 9, 9, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:10,242 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 20:32:10,242 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:10,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:10,242 INFO L82 PathProgramCache]: Analyzing trace with hash -1040445716, now seen corresponding path program 5 times [2020-08-21 20:32:10,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:10,243 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2030474497] [2020-08-21 20:32:10,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:10,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:10,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:10,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:10,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:10,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:10,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:10,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:10,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:10,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:10,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:10,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:10,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:10,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:10,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:10,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:10,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:10,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:10,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:10,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:10,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:10,703 INFO L134 CoverageAnalysis]: Checked inductivity of 933 backedges. 193 proven. 313 refuted. 0 times theorem prover too weak. 427 trivial. 0 not checked. [2020-08-21 20:32:10,704 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2030474497] [2020-08-21 20:32:10,704 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:10,704 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-21 20:32:10,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1960242023] [2020-08-21 20:32:10,707 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-21 20:32:10,707 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:10,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-21 20:32:10,708 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=123, Unknown=0, NotChecked=0, Total=156 [2020-08-21 20:32:10,708 INFO L87 Difference]: Start difference. First operand 54 states and 70 transitions. Second operand 13 states. [2020-08-21 20:32:11,257 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:11,257 INFO L93 Difference]: Finished difference Result 115 states and 189 transitions. [2020-08-21 20:32:11,258 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-21 20:32:11,258 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 136 [2020-08-21 20:32:11,259 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:11,260 INFO L225 Difference]: With dead ends: 115 [2020-08-21 20:32:11,260 INFO L226 Difference]: Without dead ends: 74 [2020-08-21 20:32:11,262 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 25 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 117 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=165, Invalid=537, Unknown=0, NotChecked=0, Total=702 [2020-08-21 20:32:11,263 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 74 states. [2020-08-21 20:32:11,272 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 74 to 70. [2020-08-21 20:32:11,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 70 states. [2020-08-21 20:32:11,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 70 states and 92 transitions. [2020-08-21 20:32:11,274 INFO L78 Accepts]: Start accepts. Automaton has 70 states and 92 transitions. Word has length 136 [2020-08-21 20:32:11,274 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:11,275 INFO L479 AbstractCegarLoop]: Abstraction has 70 states and 92 transitions. [2020-08-21 20:32:11,275 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-21 20:32:11,275 INFO L276 IsEmpty]: Start isEmpty. Operand 70 states and 92 transitions. [2020-08-21 20:32:11,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 20:32:11,277 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:11,277 INFO L422 BasicCegarLoop]: trace histogram [25, 25, 20, 12, 12, 12, 12, 12, 12, 12, 8, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:11,278 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 20:32:11,278 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:11,278 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:11,278 INFO L82 PathProgramCache]: Analyzing trace with hash 259499213, now seen corresponding path program 6 times [2020-08-21 20:32:11,279 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:11,279 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1298041928] [2020-08-21 20:32:11,279 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:11,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:11,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:11,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:11,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:11,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:11,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:11,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:11,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:11,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:11,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:11,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:11,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:11,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:11,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:11,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:11,800 INFO L134 CoverageAnalysis]: Checked inductivity of 1654 backedges. 93 proven. 533 refuted. 0 times theorem prover too weak. 1028 trivial. 0 not checked. [2020-08-21 20:32:11,800 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1298041928] [2020-08-21 20:32:11,802 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:11,802 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 20:32:11,805 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1498668380] [2020-08-21 20:32:11,806 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 20:32:11,806 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:11,806 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 20:32:11,810 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=58, Unknown=0, NotChecked=0, Total=90 [2020-08-21 20:32:11,810 INFO L87 Difference]: Start difference. First operand 70 states and 92 transitions. Second operand 10 states. [2020-08-21 20:32:12,049 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:12,049 INFO L93 Difference]: Finished difference Result 186 states and 273 transitions. [2020-08-21 20:32:12,050 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 20:32:12,050 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 177 [2020-08-21 20:32:12,051 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:12,054 INFO L225 Difference]: With dead ends: 186 [2020-08-21 20:32:12,055 INFO L226 Difference]: Without dead ends: 182 [2020-08-21 20:32:12,056 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 53 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 25 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=86, Invalid=154, Unknown=0, NotChecked=0, Total=240 [2020-08-21 20:32:12,057 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 182 states. [2020-08-21 20:32:12,078 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 182 to 170. [2020-08-21 20:32:12,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 170 states. [2020-08-21 20:32:12,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 170 states to 170 states and 250 transitions. [2020-08-21 20:32:12,082 INFO L78 Accepts]: Start accepts. Automaton has 170 states and 250 transitions. Word has length 177 [2020-08-21 20:32:12,083 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:12,083 INFO L479 AbstractCegarLoop]: Abstraction has 170 states and 250 transitions. [2020-08-21 20:32:12,083 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 20:32:12,083 INFO L276 IsEmpty]: Start isEmpty. Operand 170 states and 250 transitions. [2020-08-21 20:32:12,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2020-08-21 20:32:12,088 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:12,088 INFO L422 BasicCegarLoop]: trace histogram [47, 47, 38, 23, 23, 23, 23, 23, 23, 23, 15, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:12,088 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 20:32:12,088 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:12,089 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:12,089 INFO L82 PathProgramCache]: Analyzing trace with hash -530192014, now seen corresponding path program 7 times [2020-08-21 20:32:12,089 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:12,089 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2076374637] [2020-08-21 20:32:12,090 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:12,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:12,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:12,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:12,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:12,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:12,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:12,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:12,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:12,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:12,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:12,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:12,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:12,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:12,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:12,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:12,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:12,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:12,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:12,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:12,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:12,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:12,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:12,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:12,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:12,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:13,215 INFO L134 CoverageAnalysis]: Checked inductivity of 6039 backedges. 1358 proven. 1342 refuted. 0 times theorem prover too weak. 3339 trivial. 0 not checked. [2020-08-21 20:32:13,215 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2076374637] [2020-08-21 20:32:13,216 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:13,216 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [17] total 17 [2020-08-21 20:32:13,216 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [831598752] [2020-08-21 20:32:13,217 INFO L459 AbstractCegarLoop]: Interpolant automaton has 17 states [2020-08-21 20:32:13,217 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:13,218 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 17 interpolants. [2020-08-21 20:32:13,218 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=219, Unknown=0, NotChecked=0, Total=272 [2020-08-21 20:32:13,218 INFO L87 Difference]: Start difference. First operand 170 states and 250 transitions. Second operand 17 states. [2020-08-21 20:32:14,054 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:14,055 INFO L93 Difference]: Finished difference Result 281 states and 495 transitions. [2020-08-21 20:32:14,055 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-21 20:32:14,055 INFO L78 Accepts]: Start accepts. Automaton has 17 states. Word has length 327 [2020-08-21 20:32:14,056 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:14,061 INFO L225 Difference]: With dead ends: 281 [2020-08-21 20:32:14,061 INFO L226 Difference]: Without dead ends: 125 [2020-08-21 20:32:14,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 141 GetRequests, 102 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 356 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=335, Invalid=1305, Unknown=0, NotChecked=0, Total=1640 [2020-08-21 20:32:14,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 125 states. [2020-08-21 20:32:14,086 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 125 to 104. [2020-08-21 20:32:14,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 104 states. [2020-08-21 20:32:14,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 104 states and 147 transitions. [2020-08-21 20:32:14,088 INFO L78 Accepts]: Start accepts. Automaton has 104 states and 147 transitions. Word has length 327 [2020-08-21 20:32:14,089 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:14,089 INFO L479 AbstractCegarLoop]: Abstraction has 104 states and 147 transitions. [2020-08-21 20:32:14,089 INFO L480 AbstractCegarLoop]: Interpolant automaton has 17 states. [2020-08-21 20:32:14,089 INFO L276 IsEmpty]: Start isEmpty. Operand 104 states and 147 transitions. [2020-08-21 20:32:14,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2020-08-21 20:32:14,102 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:14,102 INFO L422 BasicCegarLoop]: trace histogram [87, 87, 70, 43, 43, 43, 43, 43, 43, 43, 27, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:14,102 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 20:32:14,102 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:14,103 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:14,103 INFO L82 PathProgramCache]: Analyzing trace with hash -1569959394, now seen corresponding path program 8 times [2020-08-21 20:32:14,103 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:14,103 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [302302784] [2020-08-21 20:32:14,104 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:14,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:14,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:14,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:14,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:14,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:14,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:14,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:14,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:14,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:14,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:14,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:14,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:14,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:14,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:14,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:15,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:15,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:15,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:15,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:15,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:15,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:15,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:15,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:15,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:15,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:32:15,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:15,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:15,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:15,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:15,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:15,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:15,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:15,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:15,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:15,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 20:32:15,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:15,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:15,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:15,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:16,327 INFO L134 CoverageAnalysis]: Checked inductivity of 20991 backedges. 3272 proven. 3796 refuted. 0 times theorem prover too weak. 13923 trivial. 0 not checked. [2020-08-21 20:32:16,327 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [302302784] [2020-08-21 20:32:16,327 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:16,327 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [19] total 19 [2020-08-21 20:32:16,327 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [93404265] [2020-08-21 20:32:16,329 INFO L459 AbstractCegarLoop]: Interpolant automaton has 19 states [2020-08-21 20:32:16,329 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:16,329 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 19 interpolants. [2020-08-21 20:32:16,330 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=67, Invalid=275, Unknown=0, NotChecked=0, Total=342 [2020-08-21 20:32:16,330 INFO L87 Difference]: Start difference. First operand 104 states and 147 transitions. Second operand 19 states. [2020-08-21 20:32:17,353 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:17,354 INFO L93 Difference]: Finished difference Result 226 states and 393 transitions. [2020-08-21 20:32:17,354 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-21 20:32:17,354 INFO L78 Accepts]: Start accepts. Automaton has 19 states. Word has length 599 [2020-08-21 20:32:17,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:17,358 INFO L225 Difference]: With dead ends: 226 [2020-08-21 20:32:17,358 INFO L226 Difference]: Without dead ends: 136 [2020-08-21 20:32:17,360 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 230 GetRequests, 184 SyntacticMatches, 0 SemanticMatches, 46 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 526 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=442, Invalid=1814, Unknown=0, NotChecked=0, Total=2256 [2020-08-21 20:32:17,361 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 136 states. [2020-08-21 20:32:17,373 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 136 to 121. [2020-08-21 20:32:17,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 121 states. [2020-08-21 20:32:17,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 121 states and 176 transitions. [2020-08-21 20:32:17,375 INFO L78 Accepts]: Start accepts. Automaton has 121 states and 176 transitions. Word has length 599 [2020-08-21 20:32:17,376 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:17,376 INFO L479 AbstractCegarLoop]: Abstraction has 121 states and 176 transitions. [2020-08-21 20:32:17,376 INFO L480 AbstractCegarLoop]: Interpolant automaton has 19 states. [2020-08-21 20:32:17,376 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 176 transitions. [2020-08-21 20:32:17,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-21 20:32:17,398 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:17,398 INFO L422 BasicCegarLoop]: trace histogram [109, 109, 88, 54, 54, 54, 54, 54, 54, 54, 34, 21, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:17,398 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 20:32:17,398 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:17,399 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:17,399 INFO L82 PathProgramCache]: Analyzing trace with hash -127293739, now seen corresponding path program 9 times [2020-08-21 20:32:17,399 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:17,400 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1633600409] [2020-08-21 20:32:17,400 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:17,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:17,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:17,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:17,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:18,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:18,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:18,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:18,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:18,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:18,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:18,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:18,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:18,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:18,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:18,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:18,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:18,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:18,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:18,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:18,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:19,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:19,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:19,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:19,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:19,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:19,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:32:19,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:19,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:19,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:19,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:19,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:32:19,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:19,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:19,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:19,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:19,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:19,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:19,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:19,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:19,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:19,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:19,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:20,693 INFO L134 CoverageAnalysis]: Checked inductivity of 33096 backedges. 659 proven. 4380 refuted. 0 times theorem prover too weak. 28057 trivial. 0 not checked. [2020-08-21 20:32:20,694 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1633600409] [2020-08-21 20:32:20,694 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:20,694 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-21 20:32:20,695 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [276728020] [2020-08-21 20:32:20,698 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-21 20:32:20,698 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:20,699 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-21 20:32:20,699 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=59, Invalid=97, Unknown=0, NotChecked=0, Total=156 [2020-08-21 20:32:20,699 INFO L87 Difference]: Start difference. First operand 121 states and 176 transitions. Second operand 13 states. [2020-08-21 20:32:21,071 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:21,071 INFO L93 Difference]: Finished difference Result 486 states and 772 transitions. [2020-08-21 20:32:21,072 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-21 20:32:21,072 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 749 [2020-08-21 20:32:21,078 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:21,088 INFO L225 Difference]: With dead ends: 486 [2020-08-21 20:32:21,088 INFO L226 Difference]: Without dead ends: 482 [2020-08-21 20:32:21,090 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 221 SyntacticMatches, 0 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 64 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=167, Invalid=295, Unknown=0, NotChecked=0, Total=462 [2020-08-21 20:32:21,090 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 482 states. [2020-08-21 20:32:21,145 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 482 to 461. [2020-08-21 20:32:21,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 461 states. [2020-08-21 20:32:21,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 461 states and 725 transitions. [2020-08-21 20:32:21,158 INFO L78 Accepts]: Start accepts. Automaton has 461 states and 725 transitions. Word has length 749 [2020-08-21 20:32:21,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:21,160 INFO L479 AbstractCegarLoop]: Abstraction has 461 states and 725 transitions. [2020-08-21 20:32:21,160 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-21 20:32:21,160 INFO L276 IsEmpty]: Start isEmpty. Operand 461 states and 725 transitions. [2020-08-21 20:32:21,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-08-21 20:32:21,179 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:21,180 INFO L422 BasicCegarLoop]: trace histogram [177, 177, 143, 88, 88, 88, 88, 88, 88, 88, 55, 34, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:21,180 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 20:32:21,180 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:21,180 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:21,181 INFO L82 PathProgramCache]: Analyzing trace with hash 452920407, now seen corresponding path program 10 times [2020-08-21 20:32:21,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:21,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1101213496] [2020-08-21 20:32:21,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:21,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:22,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:22,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:22,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:22,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:23,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:23,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:23,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:23,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:24,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:24,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:24,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:24,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:24,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,461 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:24,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:24,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:32:24,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:24,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:24,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:32:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:24,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:24,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:24,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:24,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:24,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:24,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:24,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:24,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:25,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:25,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:25,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 20:32:25,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:25,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:25,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:25,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:25,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:25,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:25,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:25,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:32:25,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:25,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:25,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:25,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:25,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:25,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:25,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:27,511 INFO L134 CoverageAnalysis]: Checked inductivity of 87769 backedges. 1164 proven. 8218 refuted. 0 times theorem prover too weak. 78387 trivial. 0 not checked. [2020-08-21 20:32:27,511 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1101213496] [2020-08-21 20:32:27,511 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:27,512 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 20:32:27,512 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1806665306] [2020-08-21 20:32:27,513 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 20:32:27,513 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:27,514 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 20:32:27,514 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=70, Invalid=112, Unknown=0, NotChecked=0, Total=182 [2020-08-21 20:32:27,514 INFO L87 Difference]: Start difference. First operand 461 states and 725 transitions. Second operand 14 states. [2020-08-21 20:32:28,019 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:28,020 INFO L93 Difference]: Finished difference Result 1495 states and 2486 transitions. [2020-08-21 20:32:28,020 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 20:32:28,020 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 1212 [2020-08-21 20:32:28,023 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:28,050 INFO L225 Difference]: With dead ends: 1495 [2020-08-21 20:32:28,050 INFO L226 Difference]: Without dead ends: 1491 [2020-08-21 20:32:28,053 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 357 SyntacticMatches, 0 SemanticMatches, 22 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 81 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=200, Invalid=352, Unknown=0, NotChecked=0, Total=552 [2020-08-21 20:32:28,056 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1491 states. [2020-08-21 20:32:28,186 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1491 to 1467. [2020-08-21 20:32:28,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1467 states. [2020-08-21 20:32:28,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1467 states and 2432 transitions. [2020-08-21 20:32:28,208 INFO L78 Accepts]: Start accepts. Automaton has 1467 states and 2432 transitions. Word has length 1212 [2020-08-21 20:32:28,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:28,209 INFO L479 AbstractCegarLoop]: Abstraction has 1467 states and 2432 transitions. [2020-08-21 20:32:28,209 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 20:32:28,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 2432 transitions. [2020-08-21 20:32:28,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 2248 [2020-08-21 20:32:28,258 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:28,259 INFO L422 BasicCegarLoop]: trace histogram [329, 329, 266, 164, 164, 164, 164, 164, 164, 164, 102, 63, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:28,259 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 20:32:28,259 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:28,260 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:28,260 INFO L82 PathProgramCache]: Analyzing trace with hash -95539557, now seen corresponding path program 11 times [2020-08-21 20:32:28,261 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:28,261 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1581062297] [2020-08-21 20:32:28,261 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:28,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:30,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:30,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:30,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:32,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:33,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:33,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:33,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:33,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:34,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:34,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:34,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:34,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:34,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:34,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:32:34,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:34,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:34,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:34,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:34,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:32:34,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:34,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:34,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:34,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:34,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:34,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:34,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:34,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:34,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:34,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:34,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 20:32:35,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,380 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:35,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:35,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:35,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:35,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:35,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:35,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:35,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:35,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:35,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:35,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:35,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:35,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:32:35,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:35,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:35,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:35,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:35,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:35,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:35,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:35,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:35,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:36,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 1208 [2020-08-21 20:32:36,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:36,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:36,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:36,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:37,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:37,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:37,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:37,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:37,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:37,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 20:32:37,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:37,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:37,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:37,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:37,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 20:32:37,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:37,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:37,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:37,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:37,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:37,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:37,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:37,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:38,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:38,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:38,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 20:32:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:38,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:38,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:38,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 20:32:38,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:38,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:38,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 20:32:38,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 20:32:38,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 20:32:38,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:38,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 20:32:38,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:38,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 20:32:38,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:42,643 INFO L134 CoverageAnalysis]: Checked inductivity of 304533 backedges. 12062 proven. 22702 refuted. 0 times theorem prover too weak. 269769 trivial. 0 not checked. [2020-08-21 20:32:42,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1581062297] [2020-08-21 20:32:42,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 20:32:42,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [25] total 25 [2020-08-21 20:32:42,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [178474180] [2020-08-21 20:32:42,646 INFO L459 AbstractCegarLoop]: Interpolant automaton has 25 states [2020-08-21 20:32:42,646 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 20:32:42,647 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 25 interpolants. [2020-08-21 20:32:42,647 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=129, Invalid=471, Unknown=0, NotChecked=0, Total=600 [2020-08-21 20:32:42,647 INFO L87 Difference]: Start difference. First operand 1467 states and 2432 transitions. Second operand 25 states. [2020-08-21 20:32:44,292 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 20:32:44,292 INFO L93 Difference]: Finished difference Result 1709 states and 3104 transitions. [2020-08-21 20:32:44,297 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 60 states. [2020-08-21 20:32:44,297 INFO L78 Accepts]: Start accepts. Automaton has 25 states. Word has length 2247 [2020-08-21 20:32:44,300 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 20:32:44,306 INFO L225 Difference]: With dead ends: 1709 [2020-08-21 20:32:44,306 INFO L226 Difference]: Without dead ends: 256 [2020-08-21 20:32:44,321 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 729 GetRequests, 662 SyntacticMatches, 0 SemanticMatches, 67 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1236 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=855, Invalid=3837, Unknown=0, NotChecked=0, Total=4692 [2020-08-21 20:32:44,321 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 256 states. [2020-08-21 20:32:44,333 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 256 to 184. [2020-08-21 20:32:44,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 184 states. [2020-08-21 20:32:44,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 184 states to 184 states and 296 transitions. [2020-08-21 20:32:44,336 INFO L78 Accepts]: Start accepts. Automaton has 184 states and 296 transitions. Word has length 2247 [2020-08-21 20:32:44,337 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 20:32:44,337 INFO L479 AbstractCegarLoop]: Abstraction has 184 states and 296 transitions. [2020-08-21 20:32:44,337 INFO L480 AbstractCegarLoop]: Interpolant automaton has 25 states. [2020-08-21 20:32:44,338 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 296 transitions. [2020-08-21 20:32:44,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4849 [2020-08-21 20:32:44,517 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 20:32:44,520 INFO L422 BasicCegarLoop]: trace histogram [711, 711, 575, 355, 355, 355, 355, 355, 355, 355, 220, 136, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 20:32:44,521 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 20:32:44,521 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 20:32:44,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 20:32:44,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1281358972, now seen corresponding path program 12 times [2020-08-21 20:32:44,523 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 20:32:44,524 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [544856227] [2020-08-21 20:32:44,524 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 20:32:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:53,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 20:32:53,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:53,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 20:32:55,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 20:32:59,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 20:32:59,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat