/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=WIDEST --traceabstraction.additional.smt.options log-additional-information=true -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 22:09:07,246 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 22:09:07,250 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 22:09:07,295 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 22:09:07,295 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 22:09:07,309 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 22:09:07,310 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 22:09:07,313 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 22:09:07,315 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 22:09:07,315 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 22:09:07,319 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 22:09:07,320 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 22:09:07,321 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 22:09:07,322 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 22:09:07,323 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 22:09:07,324 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 22:09:07,325 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 22:09:07,326 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 22:09:07,327 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 22:09:07,329 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 22:09:07,331 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 22:09:07,332 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 22:09:07,336 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 22:09:07,337 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 22:09:07,339 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 22:09:07,340 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 22:09:07,340 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 22:09:07,341 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 22:09:07,341 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 22:09:07,342 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 22:09:07,342 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 22:09:07,343 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 22:09:07,344 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 22:09:07,344 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 22:09:07,345 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 22:09:07,345 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 22:09:07,346 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 22:09:07,346 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 22:09:07,347 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 22:09:07,347 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 22:09:07,348 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 22:09:07,349 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 22:09:07,374 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 22:09:07,374 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 22:09:07,375 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 22:09:07,376 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 22:09:07,376 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 22:09:07,376 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 22:09:07,377 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 22:09:07,377 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 22:09:07,377 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 22:09:07,377 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 22:09:07,377 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 22:09:07,378 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 22:09:07,378 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 22:09:07,378 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 22:09:07,378 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 22:09:07,378 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 22:09:07,379 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 22:09:07,379 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 22:09:07,379 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 22:09:07,379 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 22:09:07,379 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 22:09:07,380 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 22:09:07,380 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 22:09:07,380 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 22:09:07,380 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 22:09:07,381 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 22:09:07,381 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 22:09:07,381 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 22:09:07,381 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 22:09:07,381 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=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=WIDEST;log-additional-information=true; [2020-08-21 22:09:07,715 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 22:09:07,737 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 22:09:07,741 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 22:09:07,745 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 22:09:07,745 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 22:09:07,746 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-21 22:09:07,815 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a418ff94/21597e648e60438083df2041b00dce6f/FLAGb40e2b6bb [2020-08-21 22:09:08,295 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 22:09:08,295 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-21 22:09:08,312 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a418ff94/21597e648e60438083df2041b00dce6f/FLAGb40e2b6bb [2020-08-21 22:09:08,643 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9a418ff94/21597e648e60438083df2041b00dce6f [2020-08-21 22:09:08,653 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 22:09:08,655 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 22:09:08,658 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 22:09:08,658 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 22:09:08,663 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 22:09:08,664 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:09:08" (1/1) ... [2020-08-21 22:09:08,668 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49b8db4d and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08, skipping insertion in model container [2020-08-21 22:09:08,668 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 10:09:08" (1/1) ... [2020-08-21 22:09:08,678 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 22:09:08,704 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 22:09:08,925 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:09:08,930 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 22:09:08,948 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 22:09:08,964 INFO L208 MainTranslator]: Completed translation [2020-08-21 22:09:08,964 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08 WrapperNode [2020-08-21 22:09:08,965 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 22:09:08,966 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 22:09:08,966 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 22:09:08,966 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 22:09:08,984 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08" (1/1) ... [2020-08-21 22:09:08,986 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08" (1/1) ... [2020-08-21 22:09:09,080 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08" (1/1) ... [2020-08-21 22:09:09,080 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08" (1/1) ... [2020-08-21 22:09:09,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08" (1/1) ... [2020-08-21 22:09:09,087 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08" (1/1) ... [2020-08-21 22:09:09,088 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08" (1/1) ... [2020-08-21 22:09:09,090 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 22:09:09,091 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 22:09:09,091 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 22:09:09,091 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 22:09:09,096 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08" (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 22:09:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 22:09:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 22:09:09,164 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-21 22:09:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-21 22:09:09,165 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 22:09:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 22:09:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 22:09:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-21 22:09:09,165 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-21 22:09:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 22:09:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 22:09:09,166 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 22:09:09,372 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 22:09:09,373 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 22:09:09,377 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:09:09 BoogieIcfgContainer [2020-08-21 22:09:09,378 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 22:09:09,379 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 22:09:09,380 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 22:09:09,383 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 22:09:09,384 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 10:09:08" (1/3) ... [2020-08-21 22:09:09,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d764bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:09:09, skipping insertion in model container [2020-08-21 22:09:09,385 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 10:09:08" (2/3) ... [2020-08-21 22:09:09,385 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@74d764bf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 10:09:09, skipping insertion in model container [2020-08-21 22:09:09,386 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 10:09:09" (3/3) ... [2020-08-21 22:09:09,388 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-08-21 22:09:09,400 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 22:09:09,409 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 22:09:09,457 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 22:09:09,526 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 22:09:09,526 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 22:09:09,526 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 22:09:09,526 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 22:09:09,526 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 22:09:09,527 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 22:09:09,527 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 22:09:09,527 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 22:09:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-21 22:09:09,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-21 22:09:09,557 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:09,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:09,559 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:09,564 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:09,564 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-21 22:09:09,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:09,573 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1201470702] [2020-08-21 22:09:09,574 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:09,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:09,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:09,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:09,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:09,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:09,803 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 22:09:09,804 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1201470702] [2020-08-21 22:09:09,807 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:09:09,807 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 22:09:09,808 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1377724391] [2020-08-21 22:09:09,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 22:09:09,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:09,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 22:09:09,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 22:09:09,836 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-21 22:09:09,946 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:09,946 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-21 22:09:09,947 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 22:09:09,949 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-21 22:09:09,950 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:09,963 INFO L225 Difference]: With dead ends: 44 [2020-08-21 22:09:09,964 INFO L226 Difference]: Without dead ends: 30 [2020-08-21 22:09:09,968 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 22:09:09,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-21 22:09:10,016 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-21 22:09:10,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 22:09:10,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 22:09:10,022 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-21 22:09:10,023 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:10,023 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 22:09:10,023 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 22:09:10,023 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 22:09:10,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-21 22:09:10,025 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:10,026 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:10,026 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 22:09:10,027 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:10,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:10,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-21 22:09:10,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:10,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1727986870] [2020-08-21 22:09:10,029 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:10,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:10,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:10,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,128 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 22:09:10,129 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1727986870] [2020-08-21 22:09:10,129 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 22:09:10,129 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 22:09:10,130 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [883080063] [2020-08-21 22:09:10,132 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 22:09:10,132 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:10,133 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 22:09:10,133 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 22:09:10,133 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-21 22:09:10,207 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:10,207 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-21 22:09:10,208 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 22:09:10,208 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-21 22:09:10,209 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:10,210 INFO L225 Difference]: With dead ends: 36 [2020-08-21 22:09:10,210 INFO L226 Difference]: Without dead ends: 32 [2020-08-21 22:09:10,212 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 22:09:10,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-21 22:09:10,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-21 22:09:10,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 22:09:10,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 22:09:10,222 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-21 22:09:10,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:10,223 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 22:09:10,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 22:09:10,223 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 22:09:10,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-21 22:09:10,225 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:10,225 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:10,225 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 22:09:10,226 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:10,226 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:10,226 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-21 22:09:10,227 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:10,227 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1814390259] [2020-08-21 22:09:10,227 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:10,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:10,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:10,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:10,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:09:10,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,367 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 22:09:10,368 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1814390259] [2020-08-21 22:09:10,368 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:10,368 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 22:09:10,369 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [851094052] [2020-08-21 22:09:10,369 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 22:09:10,370 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:10,370 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 22:09:10,370 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:09:10,370 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-21 22:09:10,460 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:10,461 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-21 22:09:10,461 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 22:09:10,462 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-21 22:09:10,462 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:10,464 INFO L225 Difference]: With dead ends: 58 [2020-08-21 22:09:10,464 INFO L226 Difference]: Without dead ends: 34 [2020-08-21 22:09:10,465 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 10 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=40, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:09:10,466 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-21 22:09:10,473 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-21 22:09:10,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-21 22:09:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-21 22:09:10,476 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-21 22:09:10,476 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:10,476 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-21 22:09:10,477 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 22:09:10,477 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-21 22:09:10,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 22:09:10,479 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:10,479 INFO L422 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:10,479 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 22:09:10,480 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:10,480 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:10,481 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-21 22:09:10,481 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:10,481 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [193675773] [2020-08-21 22:09:10,482 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:10,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:10,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:10,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:10,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:10,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,621 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-21 22:09:10,622 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [193675773] [2020-08-21 22:09:10,622 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:10,623 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 22:09:10,624 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [34639919] [2020-08-21 22:09:10,625 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 22:09:10,625 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:10,626 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 22:09:10,626 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:09:10,626 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-21 22:09:10,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:10,845 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-21 22:09:10,848 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 22:09:10,848 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-21 22:09:10,848 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:10,854 INFO L225 Difference]: With dead ends: 54 [2020-08-21 22:09:10,854 INFO L226 Difference]: Without dead ends: 50 [2020-08-21 22:09:10,855 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 16 GetRequests, 9 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=53, Unknown=0, NotChecked=0, Total=72 [2020-08-21 22:09:10,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-21 22:09:10,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-21 22:09:10,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-21 22:09:10,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-21 22:09:10,886 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-21 22:09:10,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:10,889 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-21 22:09:10,889 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 22:09:10,890 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-21 22:09:10,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-21 22:09:10,894 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:10,894 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:10,894 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 22:09:10,896 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:10,896 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:10,897 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-21 22:09:10,897 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:10,897 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [690341787] [2020-08-21 22:09:10,897 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:10,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:10,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:10,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:10,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:11,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:11,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 22:09:11,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 22:09:11,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,068 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 22:09:11,069 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [690341787] [2020-08-21 22:09:11,069 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:11,069 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 22:09:11,070 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [52207177] [2020-08-21 22:09:11,070 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 22:09:11,070 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:11,071 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 22:09:11,071 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 22:09:11,071 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-21 22:09:11,150 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:11,150 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-21 22:09:11,151 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 22:09:11,151 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-21 22:09:11,152 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:11,153 INFO L225 Difference]: With dead ends: 94 [2020-08-21 22:09:11,154 INFO L226 Difference]: Without dead ends: 52 [2020-08-21 22:09:11,155 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 20 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2020-08-21 22:09:11,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-21 22:09:11,166 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-21 22:09:11,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-21 22:09:11,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-21 22:09:11,168 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-21 22:09:11,168 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:11,169 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-21 22:09:11,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 22:09:11,169 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-21 22:09:11,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 22:09:11,171 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:11,171 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:11,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 22:09:11,172 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:11,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:11,172 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-21 22:09:11,173 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:11,173 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [192055660] [2020-08-21 22:09:11,173 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:11,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:11,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:11,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:11,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:11,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:11,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:11,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,311 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-21 22:09:11,312 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [192055660] [2020-08-21 22:09:11,312 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:11,312 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 22:09:11,313 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [800339752] [2020-08-21 22:09:11,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 22:09:11,314 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:11,314 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 22:09:11,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:09:11,315 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-21 22:09:11,436 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:11,437 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-21 22:09:11,438 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 22:09:11,438 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-21 22:09:11,439 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:11,440 INFO L225 Difference]: With dead ends: 103 [2020-08-21 22:09:11,441 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 22:09:11,442 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 22:09:11,443 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 22:09:11,453 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-21 22:09:11,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-21 22:09:11,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-21 22:09:11,456 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-21 22:09:11,456 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:11,457 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-21 22:09:11,457 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 22:09:11,457 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-21 22:09:11,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 22:09:11,459 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:11,460 INFO L422 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:11,460 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 22:09:11,460 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:11,461 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:11,461 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-21 22:09:11,461 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:11,461 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [317732736] [2020-08-21 22:09:11,462 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:11,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:11,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:11,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:11,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:11,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:11,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:11,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,661 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-21 22:09:11,661 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [317732736] [2020-08-21 22:09:11,662 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:11,662 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 22:09:11,662 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1348918895] [2020-08-21 22:09:11,663 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 22:09:11,663 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:11,663 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 22:09:11,664 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:09:11,664 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-21 22:09:11,875 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:11,876 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-21 22:09:11,876 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 22:09:11,876 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-21 22:09:11,877 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:11,879 INFO L225 Difference]: With dead ends: 86 [2020-08-21 22:09:11,879 INFO L226 Difference]: Without dead ends: 82 [2020-08-21 22:09:11,880 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 24 GetRequests, 15 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=28, Invalid=82, Unknown=0, NotChecked=0, Total=110 [2020-08-21 22:09:11,881 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-21 22:09:11,895 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-21 22:09:11,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-21 22:09:11,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-21 22:09:11,897 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-21 22:09:11,898 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:11,898 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-21 22:09:11,898 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 22:09:11,898 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-21 22:09:11,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-21 22:09:11,901 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:11,901 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:11,901 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 22:09:11,902 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:11,902 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:11,902 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-21 22:09:11,903 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:11,903 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1713632884] [2020-08-21 22:09:11,903 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:11,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:11,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:11,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:11,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:11,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:11,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:12,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:12,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 22:09:12,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,054 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-21 22:09:12,055 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1713632884] [2020-08-21 22:09:12,055 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:12,055 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 22:09:12,055 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1694326807] [2020-08-21 22:09:12,056 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 22:09:12,056 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:12,057 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 22:09:12,057 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 22:09:12,057 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-21 22:09:12,199 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:12,200 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-21 22:09:12,200 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 22:09:12,201 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-21 22:09:12,201 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:12,203 INFO L225 Difference]: With dead ends: 167 [2020-08-21 22:09:12,203 INFO L226 Difference]: Without dead ends: 94 [2020-08-21 22:09:12,204 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 28 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-21 22:09:12,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-21 22:09:12,220 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-21 22:09:12,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-21 22:09:12,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-21 22:09:12,223 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-21 22:09:12,223 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:12,223 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-21 22:09:12,223 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 22:09:12,224 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-21 22:09:12,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 22:09:12,228 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:12,228 INFO L422 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:12,228 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 22:09:12,228 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:12,229 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:12,229 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-21 22:09:12,229 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:12,229 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [71811708] [2020-08-21 22:09:12,229 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:12,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:12,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:12,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:12,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:12,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:12,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:12,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:12,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,436 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-21 22:09:12,437 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [71811708] [2020-08-21 22:09:12,438 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:12,438 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 22:09:12,441 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [794926722] [2020-08-21 22:09:12,442 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 22:09:12,443 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:12,443 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 22:09:12,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 22:09:12,443 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-21 22:09:12,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:12,683 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-21 22:09:12,683 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 22:09:12,684 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-21 22:09:12,684 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:12,686 INFO L225 Difference]: With dead ends: 188 [2020-08-21 22:09:12,686 INFO L226 Difference]: Without dead ends: 109 [2020-08-21 22:09:12,688 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 32 GetRequests, 20 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-21 22:09:12,688 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-21 22:09:12,703 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-21 22:09:12,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-21 22:09:12,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-21 22:09:12,706 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-21 22:09:12,706 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:12,707 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-21 22:09:12,707 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 22:09:12,707 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-21 22:09:12,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-21 22:09:12,709 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:12,709 INFO L422 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:12,710 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 22:09:12,710 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:12,710 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:12,710 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-21 22:09:12,711 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:12,711 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1166815948] [2020-08-21 22:09:12,711 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:12,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:12,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:12,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:12,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:12,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:12,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:12,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:12,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:12,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:12,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:12,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:12,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:12,971 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-21 22:09:12,972 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1166815948] [2020-08-21 22:09:12,972 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:12,972 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 22:09:12,972 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1281146021] [2020-08-21 22:09:12,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 22:09:12,973 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:12,974 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 22:09:12,974 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 22:09:12,974 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-21 22:09:13,401 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:13,401 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-21 22:09:13,402 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 22:09:13,402 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-21 22:09:13,402 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:13,406 INFO L225 Difference]: With dead ends: 199 [2020-08-21 22:09:13,407 INFO L226 Difference]: Without dead ends: 86 [2020-08-21 22:09:13,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 52 GetRequests, 33 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 46 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=79, Invalid=341, Unknown=0, NotChecked=0, Total=420 [2020-08-21 22:09:13,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-21 22:09:13,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-21 22:09:13,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-21 22:09:13,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-21 22:09:13,432 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-21 22:09:13,436 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:13,436 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-21 22:09:13,436 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 22:09:13,438 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-21 22:09:13,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 22:09:13,441 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:13,442 INFO L422 BasicCegarLoop]: trace histogram [9, 9, 7, 6, 6, 6, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:13,442 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 22:09:13,443 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:13,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:13,443 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-21 22:09:13,443 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:13,444 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1591451522] [2020-08-21 22:09:13,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:13,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:13,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:13,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:13,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:13,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:13,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:13,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:13,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:13,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 22:09:13,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:13,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:13,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,709 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-21 22:09:13,710 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1591451522] [2020-08-21 22:09:13,710 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:13,710 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 22:09:13,710 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1440149702] [2020-08-21 22:09:13,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 22:09:13,711 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:13,711 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 22:09:13,711 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 22:09:13,712 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-21 22:09:13,911 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:13,911 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-21 22:09:13,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 22:09:13,912 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-21 22:09:13,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:13,913 INFO L225 Difference]: With dead ends: 142 [2020-08-21 22:09:13,913 INFO L226 Difference]: Without dead ends: 78 [2020-08-21 22:09:13,914 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 46 GetRequests, 34 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=38, Invalid=144, Unknown=0, NotChecked=0, Total=182 [2020-08-21 22:09:13,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-21 22:09:13,922 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-21 22:09:13,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-21 22:09:13,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-21 22:09:13,924 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-21 22:09:13,924 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:13,924 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-21 22:09:13,925 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 22:09:13,925 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-21 22:09:13,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-21 22:09:13,927 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:13,927 INFO L422 BasicCegarLoop]: trace histogram [17, 17, 13, 10, 10, 10, 8, 8, 8, 8, 8, 8, 8, 8, 5, 5, 5, 5, 5, 5, 5, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:13,928 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 22:09:13,928 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:13,928 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:13,928 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-21 22:09:13,928 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:13,929 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [723182195] [2020-08-21 22:09:13,929 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:13,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:13,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:13,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:13,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:14,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:14,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:14,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:14,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 22:09:14,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:14,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 22:09:14,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:14,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:14,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 22:09:14,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:14,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:14,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:14,627 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-21 22:09:14,628 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [723182195] [2020-08-21 22:09:14,628 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:14,629 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 22:09:14,629 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [993948274] [2020-08-21 22:09:14,630 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 22:09:14,631 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:14,631 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 22:09:14,631 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-21 22:09:14,632 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-21 22:09:15,210 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:15,211 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-21 22:09:15,211 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-21 22:09:15,211 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-21 22:09:15,212 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:15,214 INFO L225 Difference]: With dead ends: 184 [2020-08-21 22:09:15,214 INFO L226 Difference]: Without dead ends: 111 [2020-08-21 22:09:15,215 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-21 22:09:15,216 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-21 22:09:15,227 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-21 22:09:15,227 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 22:09:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-21 22:09:15,229 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-21 22:09:15,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:15,229 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-21 22:09:15,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 22:09:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-21 22:09:15,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 22:09:15,231 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:15,232 INFO L422 BasicCegarLoop]: trace histogram [10, 10, 9, 9, 8, 7, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:15,232 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 22:09:15,232 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:15,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:15,233 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-21 22:09:15,233 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:15,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1340424289] [2020-08-21 22:09:15,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:15,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:15,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:15,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:15,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:15,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:15,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 22:09:15,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:15,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:15,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,496 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-21 22:09:15,496 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1340424289] [2020-08-21 22:09:15,497 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:15,497 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 22:09:15,497 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2121865812] [2020-08-21 22:09:15,497 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 22:09:15,498 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:15,498 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 22:09:15,499 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 22:09:15,499 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-21 22:09:15,792 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:15,793 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-21 22:09:15,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 22:09:15,795 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-21 22:09:15,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:15,797 INFO L225 Difference]: With dead ends: 188 [2020-08-21 22:09:15,797 INFO L226 Difference]: Without dead ends: 101 [2020-08-21 22:09:15,799 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 57 GetRequests, 42 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 22:09:15,800 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-21 22:09:15,812 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-21 22:09:15,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-21 22:09:15,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-21 22:09:15,818 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-21 22:09:15,821 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:15,821 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-21 22:09:15,821 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 22:09:15,822 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-21 22:09:15,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 22:09:15,826 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:15,826 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 11, 9, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:15,827 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 22:09:15,827 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:15,827 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:15,827 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-21 22:09:15,828 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:15,833 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1139198114] [2020-08-21 22:09:15,834 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:15,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:15,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:15,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:15,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:15,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:16,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:16,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:16,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:16,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:16,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:16,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:16,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:16,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:16,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-21 22:09:16,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:16,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:16,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:16,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,346 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-21 22:09:16,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1139198114] [2020-08-21 22:09:16,347 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:16,347 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 22:09:16,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [72731157] [2020-08-21 22:09:16,348 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 22:09:16,348 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:16,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 22:09:16,349 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 22:09:16,349 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-21 22:09:16,910 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:16,910 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-21 22:09:16,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 22:09:16,911 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-21 22:09:16,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:16,913 INFO L225 Difference]: With dead ends: 224 [2020-08-21 22:09:16,913 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 22:09:16,915 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-21 22:09:16,916 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 22:09:16,923 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-21 22:09:16,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 22:09:16,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-21 22:09:16,925 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-21 22:09:16,926 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:16,926 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-21 22:09:16,926 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 22:09:16,926 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-21 22:09:16,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 22:09:16,929 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:16,929 INFO L422 BasicCegarLoop]: trace histogram [13, 13, 12, 12, 10, 10, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 4, 4, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:16,929 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 22:09:16,929 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:16,930 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:16,930 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-21 22:09:16,930 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:16,931 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1023737613] [2020-08-21 22:09:16,931 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:16,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:16,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:16,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:17,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:17,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:17,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:17,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:17,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:17,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:17,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:17,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,278 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-21 22:09:17,279 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1023737613] [2020-08-21 22:09:17,279 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:17,279 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 22:09:17,280 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1582754606] [2020-08-21 22:09:17,280 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 22:09:17,281 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:17,281 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 22:09:17,281 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-21 22:09:17,282 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-21 22:09:17,586 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:17,587 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-21 22:09:17,587 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 22:09:17,587 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-21 22:09:17,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:17,591 INFO L225 Difference]: With dead ends: 244 [2020-08-21 22:09:17,591 INFO L226 Difference]: Without dead ends: 240 [2020-08-21 22:09:17,593 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 67 GetRequests, 52 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 33 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=61, Invalid=211, Unknown=0, NotChecked=0, Total=272 [2020-08-21 22:09:17,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-21 22:09:17,616 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-21 22:09:17,616 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-21 22:09:17,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-21 22:09:17,620 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-21 22:09:17,621 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:17,621 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-21 22:09:17,621 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 22:09:17,621 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-21 22:09:17,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-21 22:09:17,625 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:17,626 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:17,626 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-21 22:09:17,626 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:17,626 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:17,627 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-21 22:09:17,627 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:17,628 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2081662748] [2020-08-21 22:09:17,628 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:17,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:17,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:17,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:17,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:17,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:17,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:17,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:17,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:17,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 22:09:17,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:17,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:17,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:17,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:17,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-21 22:09:18,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:18,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:18,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:18,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:18,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:18,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:18,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 22:09:18,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:18,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:18,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,222 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-08-21 22:09:18,222 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2081662748] [2020-08-21 22:09:18,222 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:18,223 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 22:09:18,223 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1234907460] [2020-08-21 22:09:18,224 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 22:09:18,224 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:18,224 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 22:09:18,224 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 22:09:18,224 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-21 22:09:18,556 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:18,556 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-21 22:09:18,559 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 22:09:18,559 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-21 22:09:18,560 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:18,563 INFO L225 Difference]: With dead ends: 429 [2020-08-21 22:09:18,563 INFO L226 Difference]: Without dead ends: 225 [2020-08-21 22:09:18,566 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 22:09:18,567 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-21 22:09:18,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-21 22:09:18,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-21 22:09:18,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-21 22:09:18,614 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-21 22:09:18,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:18,614 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-21 22:09:18,615 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 22:09:18,615 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-21 22:09:18,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-21 22:09:18,619 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:18,620 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 20, 20, 17, 16, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 7, 6, 4, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:18,620 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-21 22:09:18,620 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:18,620 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:18,621 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-21 22:09:18,621 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:18,621 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1206937190] [2020-08-21 22:09:18,621 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:18,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:18,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:18,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:18,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:18,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:18,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:18,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:18,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:19,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:19,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:19,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:19,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:19,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:19,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:19,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:19,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:19,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:19,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:19,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:19,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:19,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,276 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-21 22:09:19,277 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1206937190] [2020-08-21 22:09:19,277 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:19,277 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 22:09:19,277 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [281725323] [2020-08-21 22:09:19,278 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 22:09:19,278 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:19,278 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 22:09:19,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-21 22:09:19,279 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-21 22:09:19,635 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:19,636 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-21 22:09:19,636 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 22:09:19,636 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-21 22:09:19,637 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:19,645 INFO L225 Difference]: With dead ends: 469 [2020-08-21 22:09:19,645 INFO L226 Difference]: Without dead ends: 465 [2020-08-21 22:09:19,647 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-21 22:09:19,648 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-21 22:09:19,680 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-21 22:09:19,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-21 22:09:19,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-21 22:09:19,687 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-21 22:09:19,687 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:19,688 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-21 22:09:19,688 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 22:09:19,688 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-21 22:09:19,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-21 22:09:19,700 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:19,700 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 22, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:19,700 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-21 22:09:19,701 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:19,701 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:19,701 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-21 22:09:19,701 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:19,702 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1408045785] [2020-08-21 22:09:19,702 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:19,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:19,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:19,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:20,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:20,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:20,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:20,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:20,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-21 22:09:20,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:20,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:20,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:20,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-21 22:09:20,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,435 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:20,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:20,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:20,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:20,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:20,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:20,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:20,691 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-08-21 22:09:20,692 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1408045785] [2020-08-21 22:09:20,692 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:20,692 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 22:09:20,692 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2009973853] [2020-08-21 22:09:20,693 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 22:09:20,693 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:20,694 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 22:09:20,694 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 22:09:20,694 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-21 22:09:21,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:21,240 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-21 22:09:21,240 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 22:09:21,241 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-21 22:09:21,245 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:21,260 INFO L225 Difference]: With dead ends: 924 [2020-08-21 22:09:21,261 INFO L226 Difference]: Without dead ends: 493 [2020-08-21 22:09:21,273 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-21 22:09:21,275 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-21 22:09:21,337 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-21 22:09:21,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-21 22:09:21,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-21 22:09:21,344 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-21 22:09:21,345 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:21,345 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-21 22:09:21,345 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 22:09:21,345 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-21 22:09:21,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-21 22:09:21,374 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:21,375 INFO L422 BasicCegarLoop]: trace histogram [43, 43, 40, 40, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 13, 13, 10, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:21,375 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-21 22:09:21,376 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:21,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:21,376 INFO L82 PathProgramCache]: Analyzing trace with hash -1718075054, now seen corresponding path program 7 times [2020-08-21 22:09:21,379 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:21,379 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2095668034] [2020-08-21 22:09:21,380 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:21,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:21,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:21,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:21,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:21,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:21,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:21,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:21,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:22,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:22,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:22,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:22,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:22,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:22,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:22,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,487 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:22,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:22,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 22:09:22,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:22,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:22,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:22,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:22,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:22,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:23,168 INFO L134 CoverageAnalysis]: Checked inductivity of 9421 backedges. 593 proven. 1863 refuted. 0 times theorem prover too weak. 6965 trivial. 0 not checked. [2020-08-21 22:09:23,168 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2095668034] [2020-08-21 22:09:23,168 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:23,169 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 22:09:23,169 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [372408199] [2020-08-21 22:09:23,170 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 22:09:23,170 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:23,170 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 22:09:23,170 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 22:09:23,171 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 18 states. [2020-08-21 22:09:24,190 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:24,190 INFO L93 Difference]: Finished difference Result 836 states and 1442 transitions. [2020-08-21 22:09:24,191 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 41 states. [2020-08-21 22:09:24,191 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 572 [2020-08-21 22:09:24,192 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:24,197 INFO L225 Difference]: With dead ends: 836 [2020-08-21 22:09:24,197 INFO L226 Difference]: Without dead ends: 395 [2020-08-21 22:09:24,205 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 211 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 409 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1545, Unknown=0, NotChecked=0, Total=1806 [2020-08-21 22:09:24,205 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 395 states. [2020-08-21 22:09:24,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 395 to 327. [2020-08-21 22:09:24,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 327 states. [2020-08-21 22:09:24,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 327 states to 327 states and 502 transitions. [2020-08-21 22:09:24,232 INFO L78 Accepts]: Start accepts. Automaton has 327 states and 502 transitions. Word has length 572 [2020-08-21 22:09:24,232 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:24,232 INFO L479 AbstractCegarLoop]: Abstraction has 327 states and 502 transitions. [2020-08-21 22:09:24,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 22:09:24,233 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 502 transitions. [2020-08-21 22:09:24,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2020-08-21 22:09:24,240 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:24,241 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 24, 24, 21, 20, 13, 13, 13, 13, 13, 13, 13, 12, 12, 12, 12, 12, 12, 12, 9, 7, 6, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:24,241 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-21 22:09:24,241 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:24,242 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:24,242 INFO L82 PathProgramCache]: Analyzing trace with hash 1572493120, now seen corresponding path program 8 times [2020-08-21 22:09:24,242 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:24,242 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1088181471] [2020-08-21 22:09:24,243 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:24,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:24,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:24,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:24,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:24,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:24,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:24,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:24,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:24,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:24,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:24,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:24,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,886 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:24,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:24,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:24,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:24,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:24,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:24,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 22:09:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:25,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:25,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:25,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:25,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:25,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:25,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:25,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:25,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:25,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:25,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:25,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:25,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:25,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:25,310 INFO L134 CoverageAnalysis]: Checked inductivity of 3484 backedges. 422 proven. 756 refuted. 0 times theorem prover too weak. 2306 trivial. 0 not checked. [2020-08-21 22:09:25,311 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1088181471] [2020-08-21 22:09:25,311 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:25,311 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 22:09:25,312 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1977842222] [2020-08-21 22:09:25,313 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 22:09:25,313 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:25,313 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 22:09:25,314 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-21 22:09:25,314 INFO L87 Difference]: Start difference. First operand 327 states and 502 transitions. Second operand 16 states. [2020-08-21 22:09:26,007 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:26,007 INFO L93 Difference]: Finished difference Result 720 states and 1202 transitions. [2020-08-21 22:09:26,008 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 28 states. [2020-08-21 22:09:26,008 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 354 [2020-08-21 22:09:26,008 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:26,015 INFO L225 Difference]: With dead ends: 720 [2020-08-21 22:09:26,015 INFO L226 Difference]: Without dead ends: 415 [2020-08-21 22:09:26,018 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 106 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-21 22:09:26,019 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 415 states. [2020-08-21 22:09:26,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 415 to 375. [2020-08-21 22:09:26,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 375 states. [2020-08-21 22:09:26,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 375 states and 561 transitions. [2020-08-21 22:09:26,070 INFO L78 Accepts]: Start accepts. Automaton has 375 states and 561 transitions. Word has length 354 [2020-08-21 22:09:26,070 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:26,070 INFO L479 AbstractCegarLoop]: Abstraction has 375 states and 561 transitions. [2020-08-21 22:09:26,071 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 22:09:26,071 INFO L276 IsEmpty]: Start isEmpty. Operand 375 states and 561 transitions. [2020-08-21 22:09:26,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-08-21 22:09:26,074 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:26,074 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 23, 23, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 9, 9, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:26,075 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-21 22:09:26,075 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:26,075 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:26,075 INFO L82 PathProgramCache]: Analyzing trace with hash 634662915, now seen corresponding path program 9 times [2020-08-21 22:09:26,076 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:26,076 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1124267665] [2020-08-21 22:09:26,076 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:26,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:26,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:26,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:26,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:26,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:26,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:26,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:26,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:26,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:26,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:26,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:26,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:26,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:26,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:26,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:26,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:26,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:26,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:26,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:26,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:26,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 22:09:26,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:26,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:26,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:27,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:27,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:27,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:27,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:27,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:27,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:27,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:27,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:27,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:27,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:27,316 INFO L134 CoverageAnalysis]: Checked inductivity of 4370 backedges. 694 proven. 802 refuted. 0 times theorem prover too weak. 2874 trivial. 0 not checked. [2020-08-21 22:09:27,316 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1124267665] [2020-08-21 22:09:27,316 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:27,316 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 22:09:27,317 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1982575356] [2020-08-21 22:09:27,317 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 22:09:27,317 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:27,318 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 22:09:27,318 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 22:09:27,318 INFO L87 Difference]: Start difference. First operand 375 states and 561 transitions. Second operand 18 states. [2020-08-21 22:09:28,239 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:28,239 INFO L93 Difference]: Finished difference Result 816 states and 1328 transitions. [2020-08-21 22:09:28,239 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-21 22:09:28,240 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 395 [2020-08-21 22:09:28,240 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:28,247 INFO L225 Difference]: With dead ends: 816 [2020-08-21 22:09:28,248 INFO L226 Difference]: Without dead ends: 463 [2020-08-21 22:09:28,252 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 153 GetRequests, 117 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 269 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 22:09:28,253 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 463 states. [2020-08-21 22:09:28,284 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 463 to 399. [2020-08-21 22:09:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 399 states. [2020-08-21 22:09:28,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 399 states and 606 transitions. [2020-08-21 22:09:28,288 INFO L78 Accepts]: Start accepts. Automaton has 399 states and 606 transitions. Word has length 395 [2020-08-21 22:09:28,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:28,291 INFO L479 AbstractCegarLoop]: Abstraction has 399 states and 606 transitions. [2020-08-21 22:09:28,291 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 22:09:28,291 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 606 transitions. [2020-08-21 22:09:28,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-21 22:09:28,295 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:28,296 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:28,296 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-21 22:09:28,296 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:28,296 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:28,296 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 10 times [2020-08-21 22:09:28,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:28,297 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1157047406] [2020-08-21 22:09:28,297 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:28,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:28,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:28,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:28,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:28,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:28,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:28,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:28,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:28,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:28,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:28,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:28,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:28,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:28,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:28,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:28,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:29,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:29,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:29,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:29,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:29,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:29,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:29,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:29,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 22:09:29,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:29,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:29,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:29,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:29,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:29,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:29,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:29,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:29,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:29,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:29,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:29,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:29,773 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-08-21 22:09:29,774 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1157047406] [2020-08-21 22:09:29,775 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:29,775 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-21 22:09:29,775 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1517301237] [2020-08-21 22:09:29,776 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-21 22:09:29,776 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:29,777 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-21 22:09:29,777 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-21 22:09:29,777 INFO L87 Difference]: Start difference. First operand 399 states and 606 transitions. Second operand 22 states. [2020-08-21 22:09:30,847 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:30,857 INFO L93 Difference]: Finished difference Result 886 states and 1553 transitions. [2020-08-21 22:09:30,859 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-21 22:09:30,860 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-21 22:09:30,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:30,873 INFO L225 Difference]: With dead ends: 886 [2020-08-21 22:09:30,873 INFO L226 Difference]: Without dead ends: 509 [2020-08-21 22:09:30,883 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-21 22:09:30,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 509 states. [2020-08-21 22:09:30,943 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 509 to 475. [2020-08-21 22:09:30,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 475 states. [2020-08-21 22:09:30,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 475 states to 475 states and 773 transitions. [2020-08-21 22:09:30,951 INFO L78 Accepts]: Start accepts. Automaton has 475 states and 773 transitions. Word has length 436 [2020-08-21 22:09:30,952 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:30,952 INFO L479 AbstractCegarLoop]: Abstraction has 475 states and 773 transitions. [2020-08-21 22:09:30,952 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-21 22:09:30,952 INFO L276 IsEmpty]: Start isEmpty. Operand 475 states and 773 transitions. [2020-08-21 22:09:30,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 505 [2020-08-21 22:09:30,960 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:30,960 INFO L422 BasicCegarLoop]: trace histogram [38, 38, 35, 35, 30, 29, 19, 19, 19, 19, 19, 19, 19, 17, 17, 17, 17, 17, 17, 17, 13, 10, 8, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:30,961 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-21 22:09:30,961 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:30,961 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:30,962 INFO L82 PathProgramCache]: Analyzing trace with hash -1638954211, now seen corresponding path program 11 times [2020-08-21 22:09:30,962 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:30,963 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [898328249] [2020-08-21 22:09:30,964 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:30,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:31,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:31,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:31,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:31,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:31,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:31,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:31,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:31,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:31,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:31,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:31,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:31,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:31,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:31,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:31,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:31,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:31,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:31,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:31,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:31,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:31,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:31,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 22:09:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:32,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:32,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:32,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:32,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:32,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:32,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,437 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:32,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:32,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:32,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:32,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:32,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:32,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:32,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:32,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:32,985 INFO L134 CoverageAnalysis]: Checked inductivity of 7261 backedges. 1340 proven. 1409 refuted. 0 times theorem prover too weak. 4512 trivial. 0 not checked. [2020-08-21 22:09:32,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [898328249] [2020-08-21 22:09:32,990 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:32,991 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [24] total 24 [2020-08-21 22:09:32,991 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [250874631] [2020-08-21 22:09:32,993 INFO L459 AbstractCegarLoop]: Interpolant automaton has 24 states [2020-08-21 22:09:32,994 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:32,994 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 24 interpolants. [2020-08-21 22:09:32,997 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=78, Invalid=474, Unknown=0, NotChecked=0, Total=552 [2020-08-21 22:09:32,997 INFO L87 Difference]: Start difference. First operand 475 states and 773 transitions. Second operand 24 states. [2020-08-21 22:09:34,567 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:34,567 INFO L93 Difference]: Finished difference Result 761 states and 1315 transitions. [2020-08-21 22:09:34,568 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 58 states. [2020-08-21 22:09:34,568 INFO L78 Accepts]: Start accepts. Automaton has 24 states. Word has length 504 [2020-08-21 22:09:34,569 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:34,573 INFO L225 Difference]: With dead ends: 761 [2020-08-21 22:09:34,574 INFO L226 Difference]: Without dead ends: 307 [2020-08-21 22:09:34,580 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 209 GetRequests, 150 SyntacticMatches, 0 SemanticMatches, 59 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1052 ImplicationChecksByTransitivity, 1.0s TimeCoverageRelationStatistics Valid=515, Invalid=3145, Unknown=0, NotChecked=0, Total=3660 [2020-08-21 22:09:34,581 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 307 states. [2020-08-21 22:09:34,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 307 to 262. [2020-08-21 22:09:34,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 262 states. [2020-08-21 22:09:34,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 262 states and 383 transitions. [2020-08-21 22:09:34,600 INFO L78 Accepts]: Start accepts. Automaton has 262 states and 383 transitions. Word has length 504 [2020-08-21 22:09:34,600 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:34,601 INFO L479 AbstractCegarLoop]: Abstraction has 262 states and 383 transitions. [2020-08-21 22:09:34,601 INFO L480 AbstractCegarLoop]: Interpolant automaton has 24 states. [2020-08-21 22:09:34,601 INFO L276 IsEmpty]: Start isEmpty. Operand 262 states and 383 transitions. [2020-08-21 22:09:34,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1676 [2020-08-21 22:09:34,631 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:34,632 INFO L422 BasicCegarLoop]: trace histogram [126, 126, 119, 119, 99, 99, 63, 63, 63, 63, 63, 63, 63, 59, 59, 59, 59, 59, 59, 59, 40, 36, 27, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:34,633 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-21 22:09:34,633 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:34,633 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:34,634 INFO L82 PathProgramCache]: Analyzing trace with hash 427401527, now seen corresponding path program 12 times [2020-08-21 22:09:34,634 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:34,634 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [19627520] [2020-08-21 22:09:34,635 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:34,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:35,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:35,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:35,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:36,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:36,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:36,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:36,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:36,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:37,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:37,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:37,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:37,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:37,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:37,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:37,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:37,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:37,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 22:09:37,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:37,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:37,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:37,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:37,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:37,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:37,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:37,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:37,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:38,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:38,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:38,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 22:09:38,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:38,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:38,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:38,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:38,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:38,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:38,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:38,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 22:09:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:38,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:38,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:38,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:38,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:38,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:38,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:38,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:38,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:38,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:38,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:38,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:38,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 813 [2020-08-21 22:09:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:38,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:38,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,282 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:39,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:39,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:39,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:39,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:39,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:39,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,474 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:39,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:39,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:39,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:39,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 22:09:39,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:39,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:39,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-21 22:09:39,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:39,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:39,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:39,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:39,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:39,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:40,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:40,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:40,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:40,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:40,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:40,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:40,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:40,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 22:09:40,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:40,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:40,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:40,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:40,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:40,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:40,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:40,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:40,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:40,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:42,502 INFO L134 CoverageAnalysis]: Checked inductivity of 83942 backedges. 2248 proven. 10082 refuted. 0 times theorem prover too weak. 71612 trivial. 0 not checked. [2020-08-21 22:09:42,502 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [19627520] [2020-08-21 22:09:42,503 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:42,503 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [21] total 21 [2020-08-21 22:09:42,503 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1249495720] [2020-08-21 22:09:42,504 INFO L459 AbstractCegarLoop]: Interpolant automaton has 21 states [2020-08-21 22:09:42,505 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:42,505 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 21 interpolants. [2020-08-21 22:09:42,505 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=365, Unknown=0, NotChecked=0, Total=420 [2020-08-21 22:09:42,505 INFO L87 Difference]: Start difference. First operand 262 states and 383 transitions. Second operand 21 states. [2020-08-21 22:09:43,976 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:43,977 INFO L93 Difference]: Finished difference Result 516 states and 867 transitions. [2020-08-21 22:09:43,977 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-08-21 22:09:43,978 INFO L78 Accepts]: Start accepts. Automaton has 21 states. Word has length 1675 [2020-08-21 22:09:43,979 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:43,983 INFO L225 Difference]: With dead ends: 516 [2020-08-21 22:09:43,983 INFO L226 Difference]: Without dead ends: 266 [2020-08-21 22:09:43,987 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 550 GetRequests, 500 SyntacticMatches, 0 SemanticMatches, 50 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 642 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=347, Invalid=2305, Unknown=0, NotChecked=0, Total=2652 [2020-08-21 22:09:43,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2020-08-21 22:09:44,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 241. [2020-08-21 22:09:44,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 241 states. [2020-08-21 22:09:44,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 241 states and 352 transitions. [2020-08-21 22:09:44,009 INFO L78 Accepts]: Start accepts. Automaton has 241 states and 352 transitions. Word has length 1675 [2020-08-21 22:09:44,009 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:44,010 INFO L479 AbstractCegarLoop]: Abstraction has 241 states and 352 transitions. [2020-08-21 22:09:44,010 INFO L480 AbstractCegarLoop]: Interpolant automaton has 21 states. [2020-08-21 22:09:44,010 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 352 transitions. [2020-08-21 22:09:44,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-21 22:09:44,020 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:44,021 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 44, 44, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 17, 17, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:44,022 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-21 22:09:44,022 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:44,022 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:44,022 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 13 times [2020-08-21 22:09:44,023 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:44,023 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675782869] [2020-08-21 22:09:44,023 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:44,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:44,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:44,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:44,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:44,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:44,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:44,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:44,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:44,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:45,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:45,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:45,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:45,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:45,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:45,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 22:09:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,432 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:45,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:45,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:45,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 22:09:45,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:45,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:45,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:45,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:45,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:45,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:45,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:45,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:45,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:45,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:46,350 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-21 22:09:46,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675782869] [2020-08-21 22:09:46,351 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:46,351 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 22:09:46,351 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1155869827] [2020-08-21 22:09:46,352 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 22:09:46,352 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:46,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 22:09:46,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-21 22:09:46,353 INFO L87 Difference]: Start difference. First operand 241 states and 352 transitions. Second operand 14 states. [2020-08-21 22:09:46,806 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 22:09:46,810 INFO L93 Difference]: Finished difference Result 686 states and 1079 transitions. [2020-08-21 22:09:46,810 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 22:09:46,810 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-21 22:09:46,817 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 22:09:46,830 INFO L225 Difference]: With dead ends: 686 [2020-08-21 22:09:46,830 INFO L226 Difference]: Without dead ends: 682 [2020-08-21 22:09:46,832 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 241 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 21 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 88 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=109, Invalid=397, Unknown=0, NotChecked=0, Total=506 [2020-08-21 22:09:46,833 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 682 states. [2020-08-21 22:09:46,872 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 682 to 648. [2020-08-21 22:09:46,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 648 states. [2020-08-21 22:09:46,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 648 states to 648 states and 1012 transitions. [2020-08-21 22:09:46,885 INFO L78 Accepts]: Start accepts. Automaton has 648 states and 1012 transitions. Word has length 749 [2020-08-21 22:09:46,886 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 22:09:46,886 INFO L479 AbstractCegarLoop]: Abstraction has 648 states and 1012 transitions. [2020-08-21 22:09:46,886 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 22:09:46,886 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 1012 transitions. [2020-08-21 22:09:46,923 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1962 [2020-08-21 22:09:46,923 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 22:09:46,924 INFO L422 BasicCegarLoop]: trace histogram [145, 145, 142, 142, 117, 115, 72, 72, 72, 72, 72, 72, 72, 71, 71, 71, 71, 71, 71, 71, 46, 43, 28, 27, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 22:09:46,925 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-21 22:09:46,925 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 22:09:46,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 22:09:46,926 INFO L82 PathProgramCache]: Analyzing trace with hash -88736994, now seen corresponding path program 14 times [2020-08-21 22:09:46,926 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 22:09:46,926 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [985514420] [2020-08-21 22:09:46,927 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 22:09:47,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:48,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 22:09:48,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:48,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 22:09:49,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:49,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:49,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,424 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:50,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:50,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:50,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:50,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:50,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:50,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:50,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 22:09:50,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:50,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:50,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:50,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:50,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 22:09:50,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:50,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:50,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:50,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:50,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:50,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:50,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:50,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:50,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:50,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:50,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:51,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 22:09:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:52,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:52,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:52,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:52,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:52,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:52,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:52,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:52,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:52,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:52,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:52,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:52,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:52,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:52,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:52,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:52,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:52,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:52,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:52,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 22:09:53,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:53,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:53,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:53,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:53,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 22:09:53,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:53,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:53,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:53,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:53,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:53,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:53,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 22:09:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:53,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:53,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,889 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:53,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:53,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:53,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,433 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 922 [2020-08-21 22:09:54,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:54,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:54,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:54,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:54,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:54,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:54,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:54,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 22:09:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:54,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:54,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 22:09:54,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:54,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:54,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 22:09:54,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:54,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 22:09:54,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 22:09:54,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 22:09:54,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:54,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 22:09:54,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 22:09:58,302 INFO L134 CoverageAnalysis]: Checked inductivity of 115309 backedges. 7486 proven. 11970 refuted. 0 times theorem prover too weak. 95853 trivial. 0 not checked. [2020-08-21 22:09:58,302 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [985514420] [2020-08-21 22:09:58,302 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 22:09:58,302 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [33] total 33 [2020-08-21 22:09:58,303 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [199949522] [2020-08-21 22:09:58,304 INFO L459 AbstractCegarLoop]: Interpolant automaton has 33 states [2020-08-21 22:09:58,304 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 22:09:58,304 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 33 interpolants. [2020-08-21 22:09:58,305 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=142, Invalid=914, Unknown=0, NotChecked=0, Total=1056 [2020-08-21 22:09:58,305 INFO L87 Difference]: Start difference. First operand 648 states and 1012 transitions. Second operand 33 states.