/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=SMALLEST --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_15-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-177f698 [2020-08-21 15:42:26,971 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-21 15:42:26,975 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-21 15:42:27,016 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-21 15:42:27,017 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-21 15:42:27,026 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-21 15:42:27,028 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-21 15:42:27,031 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-21 15:42:27,035 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-21 15:42:27,038 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-21 15:42:27,038 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-21 15:42:27,039 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-21 15:42:27,040 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-21 15:42:27,043 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-21 15:42:27,046 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-21 15:42:27,047 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-21 15:42:27,049 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-21 15:42:27,050 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-21 15:42:27,052 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-21 15:42:27,059 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-21 15:42:27,062 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-21 15:42:27,063 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-21 15:42:27,064 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-21 15:42:27,065 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-21 15:42:27,077 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-21 15:42:27,077 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-21 15:42:27,077 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-21 15:42:27,080 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-21 15:42:27,081 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-21 15:42:27,083 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-21 15:42:27,084 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-21 15:42:27,084 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-21 15:42:27,085 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-21 15:42:27,086 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-21 15:42:27,088 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-21 15:42:27,088 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-21 15:42:27,089 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-21 15:42:27,089 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-21 15:42:27,090 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-21 15:42:27,090 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-21 15:42:27,091 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-21 15:42:27,092 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 15:42:27,124 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-21 15:42:27,124 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-21 15:42:27,125 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-21 15:42:27,125 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-21 15:42:27,126 INFO L138 SettingsManager]: * Use SBE=true [2020-08-21 15:42:27,126 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-21 15:42:27,126 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-21 15:42:27,126 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-21 15:42:27,126 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-21 15:42:27,127 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-21 15:42:27,127 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-21 15:42:27,127 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-21 15:42:27,127 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-21 15:42:27,127 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-21 15:42:27,128 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-21 15:42:27,128 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-21 15:42:27,128 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-21 15:42:27,128 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-21 15:42:27,128 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-21 15:42:27,129 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-21 15:42:27,129 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-21 15:42:27,129 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-21 15:42:27,129 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-21 15:42:27,130 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-21 15:42:27,130 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-21 15:42:27,130 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-21 15:42:27,130 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-21 15:42:27,130 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-21 15:42:27,130 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-21 15:42:27,131 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=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5000;interpolation-heuristic=SMALLEST;log-additional-information=true; [2020-08-21 15:42:27,475 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-21 15:42:27,493 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-21 15:42:27,497 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-21 15:42:27,499 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-21 15:42:27,499 INFO L275 PluginConnector]: CDTParser initialized [2020-08-21 15:42:27,500 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-2.c [2020-08-21 15:42:27,576 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d61af5966/41f159c8cecb473b942120a4e335840e/FLAG44c036129 [2020-08-21 15:42:27,973 INFO L306 CDTParser]: Found 1 translation units. [2020-08-21 15:42:27,973 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_15-2.c [2020-08-21 15:42:27,979 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d61af5966/41f159c8cecb473b942120a4e335840e/FLAG44c036129 [2020-08-21 15:42:28,344 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/d61af5966/41f159c8cecb473b942120a4e335840e [2020-08-21 15:42:28,351 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-21 15:42:28,353 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-21 15:42:28,354 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-21 15:42:28,354 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-21 15:42:28,357 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-21 15:42:28,358 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 03:42:28" (1/1) ... [2020-08-21 15:42:28,361 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@13b2d49f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28, skipping insertion in model container [2020-08-21 15:42:28,361 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 21.08 03:42:28" (1/1) ... [2020-08-21 15:42:28,368 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-21 15:42:28,384 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-21 15:42:28,550 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 15:42:28,555 INFO L203 MainTranslator]: Completed pre-run [2020-08-21 15:42:28,572 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-21 15:42:28,587 INFO L208 MainTranslator]: Completed translation [2020-08-21 15:42:28,588 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28 WrapperNode [2020-08-21 15:42:28,588 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-21 15:42:28,589 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-21 15:42:28,589 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-21 15:42:28,589 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-21 15:42:28,603 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28" (1/1) ... [2020-08-21 15:42:28,603 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28" (1/1) ... [2020-08-21 15:42:28,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28" (1/1) ... [2020-08-21 15:42:28,609 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28" (1/1) ... [2020-08-21 15:42:28,695 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28" (1/1) ... [2020-08-21 15:42:28,700 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28" (1/1) ... [2020-08-21 15:42:28,701 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28" (1/1) ... [2020-08-21 15:42:28,707 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-21 15:42:28,707 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-21 15:42:28,708 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-21 15:42:28,708 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-21 15:42:28,709 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28" (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 15:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-21 15:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-21 15:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-21 15:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-21 15:42:28,774 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-21 15:42:28,774 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-21 15:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-21 15:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-21 15:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-21 15:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-21 15:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-21 15:42:28,775 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-21 15:42:28,982 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-21 15:42:28,982 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-21 15:42:28,987 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 03:42:28 BoogieIcfgContainer [2020-08-21 15:42:28,987 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-21 15:42:28,989 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-21 15:42:28,989 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-21 15:42:28,992 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-21 15:42:28,992 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 21.08 03:42:28" (1/3) ... [2020-08-21 15:42:28,993 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4f28a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 03:42:28, skipping insertion in model container [2020-08-21 15:42:28,993 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 21.08 03:42:28" (2/3) ... [2020-08-21 15:42:28,994 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7c4f28a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 21.08 03:42:28, skipping insertion in model container [2020-08-21 15:42:28,994 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 21.08 03:42:28" (3/3) ... [2020-08-21 15:42:28,996 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-2.c [2020-08-21 15:42:29,008 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-21 15:42:29,017 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-21 15:42:29,034 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-21 15:42:29,093 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-21 15:42:29,093 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-21 15:42:29,093 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-21 15:42:29,093 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-21 15:42:29,093 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-21 15:42:29,094 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-21 15:42:29,094 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-21 15:42:29,094 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-21 15:42:29,115 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-21 15:42:29,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-21 15:42:29,122 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:29,123 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:29,124 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:29,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:29,131 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-21 15:42:29,140 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:29,141 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1273706005] [2020-08-21 15:42:29,141 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:29,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:29,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:29,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,319 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 15:42:29,320 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1273706005] [2020-08-21 15:42:29,322 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:42:29,322 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 15:42:29,323 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [255766010] [2020-08-21 15:42:29,328 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 15:42:29,328 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:29,339 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 15:42:29,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 15:42:29,342 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-21 15:42:29,480 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:29,481 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-21 15:42:29,482 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 15:42:29,483 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-21 15:42:29,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:29,496 INFO L225 Difference]: With dead ends: 44 [2020-08-21 15:42:29,501 INFO L226 Difference]: Without dead ends: 30 [2020-08-21 15:42:29,505 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 15:42:29,524 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-21 15:42:29,549 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-21 15:42:29,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 15:42:29,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 15:42:29,555 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-21 15:42:29,555 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:29,556 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 15:42:29,556 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 15:42:29,556 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 15:42:29,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-21 15:42:29,558 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:29,558 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:29,559 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-21 15:42:29,559 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:29,559 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:29,560 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-21 15:42:29,560 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:29,560 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [873885684] [2020-08-21 15:42:29,561 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:29,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:29,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:29,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,673 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 15:42:29,675 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [873885684] [2020-08-21 15:42:29,675 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-21 15:42:29,676 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-21 15:42:29,677 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1795772853] [2020-08-21 15:42:29,679 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-21 15:42:29,679 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:29,680 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-21 15:42:29,680 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-21 15:42:29,680 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-21 15:42:29,782 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:29,782 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-21 15:42:29,783 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-21 15:42:29,784 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-21 15:42:29,784 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:29,786 INFO L225 Difference]: With dead ends: 36 [2020-08-21 15:42:29,786 INFO L226 Difference]: Without dead ends: 32 [2020-08-21 15:42:29,789 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 15:42:29,790 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-21 15:42:29,802 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-21 15:42:29,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-21 15:42:29,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-21 15:42:29,804 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-21 15:42:29,805 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:29,805 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-21 15:42:29,805 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-21 15:42:29,805 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-21 15:42:29,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-21 15:42:29,807 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:29,807 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 15:42:29,808 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-21 15:42:29,808 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:29,808 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:29,809 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-21 15:42:29,809 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:29,809 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [316423424] [2020-08-21 15:42:29,809 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:29,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:29,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:29,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:29,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 15:42:29,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:29,938 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 15:42:29,939 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [316423424] [2020-08-21 15:42:29,939 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:29,939 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 15:42:29,940 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1384228818] [2020-08-21 15:42:29,940 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 15:42:29,940 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:29,941 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 15:42:29,941 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-21 15:42:29,941 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-21 15:42:30,031 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:30,032 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-21 15:42:30,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-21 15:42:30,032 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-21 15:42:30,033 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:30,034 INFO L225 Difference]: With dead ends: 58 [2020-08-21 15:42:30,034 INFO L226 Difference]: Without dead ends: 34 [2020-08-21 15:42:30,036 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 15:42:30,036 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-21 15:42:30,043 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-21 15:42:30,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-21 15:42:30,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-21 15:42:30,046 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-21 15:42:30,046 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:30,046 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-21 15:42:30,047 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 15:42:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-21 15:42:30,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-21 15:42:30,049 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:30,049 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 15:42:30,049 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-21 15:42:30,050 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:30,050 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:30,050 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-21 15:42:30,051 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:30,051 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1624103130] [2020-08-21 15:42:30,051 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:30,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:30,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:30,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:30,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:30,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,161 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 15:42:30,162 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1624103130] [2020-08-21 15:42:30,162 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:30,162 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-21 15:42:30,163 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504204189] [2020-08-21 15:42:30,164 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-21 15:42:30,164 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:30,164 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-21 15:42:30,165 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-21 15:42:30,165 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-21 15:42:30,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:30,363 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-21 15:42:30,363 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 15:42:30,363 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-21 15:42:30,364 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:30,367 INFO L225 Difference]: With dead ends: 54 [2020-08-21 15:42:30,367 INFO L226 Difference]: Without dead ends: 50 [2020-08-21 15:42:30,368 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 15:42:30,369 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-21 15:42:30,379 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-21 15:42:30,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-21 15:42:30,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-21 15:42:30,381 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-21 15:42:30,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:30,382 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-21 15:42:30,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-21 15:42:30,382 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-21 15:42:30,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-21 15:42:30,385 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:30,385 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 15:42:30,385 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-21 15:42:30,385 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:30,386 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:30,386 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-21 15:42:30,386 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:30,387 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1740865019] [2020-08-21 15:42:30,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:30,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:30,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:30,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:30,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:30,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-21 15:42:30,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-21 15:42:30,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,569 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 15:42:30,570 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1740865019] [2020-08-21 15:42:30,570 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:30,570 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-21 15:42:30,571 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192442587] [2020-08-21 15:42:30,572 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-21 15:42:30,572 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:30,572 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-21 15:42:30,573 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-21 15:42:30,573 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-21 15:42:30,652 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:30,652 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-21 15:42:30,653 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-21 15:42:30,653 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-21 15:42:30,653 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:30,655 INFO L225 Difference]: With dead ends: 94 [2020-08-21 15:42:30,655 INFO L226 Difference]: Without dead ends: 52 [2020-08-21 15:42:30,656 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 15:42:30,657 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-21 15:42:30,666 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-21 15:42:30,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-21 15:42:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-21 15:42:30,668 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-21 15:42:30,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:30,669 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-21 15:42:30,669 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-21 15:42:30,669 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-21 15:42:30,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-21 15:42:30,671 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:30,671 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 15:42:30,672 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-21 15:42:30,672 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:30,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:30,672 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-21 15:42:30,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:30,673 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [999384697] [2020-08-21 15:42:30,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:30,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:30,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:30,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:30,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:30,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:30,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,788 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 15:42:30,789 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [999384697] [2020-08-21 15:42:30,789 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:30,789 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 15:42:30,789 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67814087] [2020-08-21 15:42:30,790 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 15:42:30,790 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:30,790 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 15:42:30,791 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 15:42:30,791 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-21 15:42:30,891 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:30,891 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-21 15:42:30,891 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-21 15:42:30,892 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-21 15:42:30,892 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:30,893 INFO L225 Difference]: With dead ends: 103 [2020-08-21 15:42:30,894 INFO L226 Difference]: Without dead ends: 57 [2020-08-21 15:42:30,895 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 15:42:30,895 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-21 15:42:30,904 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-21 15:42:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-21 15:42:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-21 15:42:30,905 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-21 15:42:30,906 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:30,906 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-21 15:42:30,906 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 15:42:30,906 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-21 15:42:30,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-21 15:42:30,908 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:30,908 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 15:42:30,909 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-21 15:42:30,909 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:30,909 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:30,909 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-21 15:42:30,909 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:30,910 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [786734041] [2020-08-21 15:42:30,910 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:30,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:30,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:30,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,957 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:30,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:30,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:30,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:30,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:30,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,004 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 15:42:31,005 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [786734041] [2020-08-21 15:42:31,005 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:31,006 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 15:42:31,006 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1805798124] [2020-08-21 15:42:31,006 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 15:42:31,007 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:31,007 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 15:42:31,007 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 15:42:31,008 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-21 15:42:31,196 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:31,196 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-21 15:42:31,197 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-21 15:42:31,197 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-21 15:42:31,197 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:31,199 INFO L225 Difference]: With dead ends: 86 [2020-08-21 15:42:31,199 INFO L226 Difference]: Without dead ends: 82 [2020-08-21 15:42:31,200 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 15:42:31,201 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-21 15:42:31,214 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-21 15:42:31,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-21 15:42:31,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-21 15:42:31,216 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-21 15:42:31,217 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:31,217 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-21 15:42:31,217 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 15:42:31,217 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-21 15:42:31,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-21 15:42:31,220 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:31,220 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 15:42:31,220 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-21 15:42:31,221 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:31,221 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:31,221 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-21 15:42:31,222 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:31,222 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2065542534] [2020-08-21 15:42:31,222 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:31,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:31,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:31,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:31,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:31,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:31,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:31,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-21 15:42:31,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,371 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 15:42:31,372 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2065542534] [2020-08-21 15:42:31,372 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:31,372 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-21 15:42:31,372 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [758643301] [2020-08-21 15:42:31,373 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-21 15:42:31,373 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:31,373 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-21 15:42:31,374 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-21 15:42:31,374 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-21 15:42:31,495 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:31,496 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-21 15:42:31,496 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-21 15:42:31,496 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-21 15:42:31,497 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:31,498 INFO L225 Difference]: With dead ends: 167 [2020-08-21 15:42:31,499 INFO L226 Difference]: Without dead ends: 94 [2020-08-21 15:42:31,500 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 15:42:31,500 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-21 15:42:31,515 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-21 15:42:31,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-21 15:42:31,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-21 15:42:31,518 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-21 15:42:31,518 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:31,518 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-21 15:42:31,518 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-21 15:42:31,518 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-21 15:42:31,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-21 15:42:31,524 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:31,524 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 15:42:31,525 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-21 15:42:31,525 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:31,525 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:31,525 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-21 15:42:31,526 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:31,526 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1363926992] [2020-08-21 15:42:31,527 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:31,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:31,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:31,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:31,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:31,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:31,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:31,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:31,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:31,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,700 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 15:42:31,701 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1363926992] [2020-08-21 15:42:31,701 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:31,701 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 15:42:31,702 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1782151331] [2020-08-21 15:42:31,702 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 15:42:31,702 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:31,703 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 15:42:31,703 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 15:42:31,703 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-21 15:42:31,925 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:31,925 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-21 15:42:31,926 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-21 15:42:31,926 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-21 15:42:31,926 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:31,928 INFO L225 Difference]: With dead ends: 188 [2020-08-21 15:42:31,928 INFO L226 Difference]: Without dead ends: 109 [2020-08-21 15:42:31,930 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 15:42:31,930 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-21 15:42:31,942 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-21 15:42:31,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-21 15:42:31,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-21 15:42:31,944 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-21 15:42:31,945 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:31,945 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-21 15:42:31,945 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 15:42:31,945 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-21 15:42:31,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-21 15:42:31,947 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:31,947 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 15:42:31,948 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-21 15:42:31,948 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:31,948 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:31,948 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-21 15:42:31,948 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:31,949 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1082845514] [2020-08-21 15:42:31,949 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:31,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:31,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:31,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:32,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:32,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:32,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:32,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,190 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 15:42:32,191 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1082845514] [2020-08-21 15:42:32,191 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:32,191 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 15:42:32,192 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1167901251] [2020-08-21 15:42:32,193 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 15:42:32,193 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:32,193 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 15:42:32,194 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-21 15:42:32,194 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-21 15:42:32,599 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:32,599 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-21 15:42:32,600 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-21 15:42:32,600 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-21 15:42:32,601 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:32,602 INFO L225 Difference]: With dead ends: 199 [2020-08-21 15:42:32,602 INFO L226 Difference]: Without dead ends: 86 [2020-08-21 15:42:32,604 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 15:42:32,604 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-21 15:42:32,612 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-21 15:42:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-21 15:42:32,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-21 15:42:32,614 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-21 15:42:32,614 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:32,614 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-21 15:42:32,614 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 15:42:32,615 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-21 15:42:32,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-21 15:42:32,616 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:32,616 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 15:42:32,617 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-21 15:42:32,617 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:32,617 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:32,617 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-21 15:42:32,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:32,618 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1785515745] [2020-08-21 15:42:32,618 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:32,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:32,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:32,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:32,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:32,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:32,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-21 15:42:32,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:32,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:32,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:32,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:32,871 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 15:42:32,872 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1785515745] [2020-08-21 15:42:32,872 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:32,872 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-21 15:42:32,872 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [963303939] [2020-08-21 15:42:32,874 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-21 15:42:32,875 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:32,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-21 15:42:32,875 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-21 15:42:32,876 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-21 15:42:33,078 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:33,079 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-21 15:42:33,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-21 15:42:33,080 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-21 15:42:33,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:33,081 INFO L225 Difference]: With dead ends: 142 [2020-08-21 15:42:33,082 INFO L226 Difference]: Without dead ends: 78 [2020-08-21 15:42:33,083 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 15:42:33,084 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-21 15:42:33,092 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-21 15:42:33,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-21 15:42:33,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-21 15:42:33,093 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-21 15:42:33,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:33,097 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-21 15:42:33,097 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-21 15:42:33,097 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-21 15:42:33,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-21 15:42:33,100 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:33,101 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 15:42:33,103 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-21 15:42:33,103 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:33,104 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:33,104 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-21 15:42:33,104 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:33,104 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757646750] [2020-08-21 15:42:33,105 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:33,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:33,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:33,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,395 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:33,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:33,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 15:42:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:33,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-21 15:42:33,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:33,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:33,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:33,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:33,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-21 15:42:33,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:33,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:33,755 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 15:42:33,755 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757646750] [2020-08-21 15:42:33,755 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:33,756 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 15:42:33,756 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [69784108] [2020-08-21 15:42:33,756 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 15:42:33,757 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:33,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 15:42:33,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-21 15:42:33,757 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-21 15:42:34,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:34,283 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-21 15:42:34,284 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-21 15:42:34,284 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-21 15:42:34,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:34,286 INFO L225 Difference]: With dead ends: 184 [2020-08-21 15:42:34,286 INFO L226 Difference]: Without dead ends: 111 [2020-08-21 15:42:34,288 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 90 GetRequests, 63 SyntacticMatches, 0 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 145 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=137, Invalid=675, Unknown=0, NotChecked=0, Total=812 [2020-08-21 15:42:34,288 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-21 15:42:34,296 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-21 15:42:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-21 15:42:34,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-21 15:42:34,299 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-21 15:42:34,300 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:34,300 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-21 15:42:34,300 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 15:42:34,300 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-21 15:42:34,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-21 15:42:34,303 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:34,303 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 15:42:34,303 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-21 15:42:34,304 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:34,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:34,304 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-21 15:42:34,304 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:34,305 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1002036247] [2020-08-21 15:42:34,305 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:34,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:34,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:34,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,434 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:34,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:34,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:34,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:34,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:34,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:34,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 15:42:34,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:34,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:34,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,567 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 15:42:34,567 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1002036247] [2020-08-21 15:42:34,567 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:34,567 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 15:42:34,568 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1202696698] [2020-08-21 15:42:34,568 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 15:42:34,568 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:34,569 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 15:42:34,569 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 15:42:34,569 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-21 15:42:34,844 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:34,844 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-21 15:42:34,845 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-21 15:42:34,845 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-21 15:42:34,861 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:34,863 INFO L225 Difference]: With dead ends: 188 [2020-08-21 15:42:34,863 INFO L226 Difference]: Without dead ends: 101 [2020-08-21 15:42:34,868 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 15:42:34,868 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-21 15:42:34,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-21 15:42:34,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-21 15:42:34,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-21 15:42:34,877 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-21 15:42:34,877 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:34,877 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-21 15:42:34,877 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 15:42:34,877 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-21 15:42:34,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 15:42:34,880 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:34,881 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 15:42:34,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-21 15:42:34,881 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:34,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:34,882 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-21 15:42:34,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:34,883 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [883272124] [2020-08-21 15:42:34,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:34,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:34,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:34,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:34,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:34,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:35,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:35,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:35,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:35,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:35,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,196 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:35,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:35,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:35,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:35,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-21 15:42:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:35,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:35,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,297 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 15:42:35,297 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [883272124] [2020-08-21 15:42:35,298 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:35,298 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 15:42:35,298 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [411438956] [2020-08-21 15:42:35,299 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 15:42:35,299 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:35,299 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 15:42:35,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 15:42:35,300 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-21 15:42:35,845 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:35,846 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-21 15:42:35,846 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 15:42:35,847 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-21 15:42:35,847 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:35,848 INFO L225 Difference]: With dead ends: 224 [2020-08-21 15:42:35,849 INFO L226 Difference]: Without dead ends: 131 [2020-08-21 15:42:35,851 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-21 15:42:35,851 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-21 15:42:35,860 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-21 15:42:35,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-21 15:42:35,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-21 15:42:35,865 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-21 15:42:35,866 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:35,866 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-21 15:42:35,866 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 15:42:35,866 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-21 15:42:35,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-21 15:42:35,868 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:35,868 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 15:42:35,869 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-21 15:42:35,869 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:35,869 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:35,869 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-21 15:42:35,870 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:35,870 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1846010924] [2020-08-21 15:42:35,870 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:35,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:35,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:35,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:35,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:36,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:36,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:36,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:36,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:36,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:36,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:36,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:36,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:36,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:36,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:36,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,344 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 15:42:36,345 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1846010924] [2020-08-21 15:42:36,345 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:36,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 15:42:36,346 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1187576927] [2020-08-21 15:42:36,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 15:42:36,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:36,347 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 15:42:36,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-21 15:42:36,348 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-21 15:42:36,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:36,701 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-21 15:42:36,702 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-21 15:42:36,702 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-21 15:42:36,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:36,706 INFO L225 Difference]: With dead ends: 244 [2020-08-21 15:42:36,706 INFO L226 Difference]: Without dead ends: 240 [2020-08-21 15:42:36,708 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 15:42:36,709 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-21 15:42:36,728 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-21 15:42:36,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-21 15:42:36,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-21 15:42:36,732 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-21 15:42:36,733 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:36,733 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-21 15:42:36,733 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 15:42:36,733 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-21 15:42:36,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 381 [2020-08-21 15:42:36,740 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:36,740 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 26, 26, 22, 21, 14, 14, 14, 14, 14, 14, 14, 13, 13, 13, 13, 13, 13, 13, 8, 8, 8, 4, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:36,740 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-21 15:42:36,741 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:36,741 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:36,741 INFO L82 PathProgramCache]: Analyzing trace with hash -1635105538, now seen corresponding path program 4 times [2020-08-21 15:42:36,741 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:36,742 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1189442710] [2020-08-21 15:42:36,742 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:36,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:36,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:36,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:36,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:36,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:37,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:37,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:37,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 15:42:37,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:37,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:37,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:37,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 186 [2020-08-21 15:42:37,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:37,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:37,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:37,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-21 15:42:37,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:37,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:37,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,316 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,319 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:37,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:37,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,483 INFO L134 CoverageAnalysis]: Checked inductivity of 4041 backedges. 201 proven. 576 refuted. 0 times theorem prover too weak. 3264 trivial. 0 not checked. [2020-08-21 15:42:37,484 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1189442710] [2020-08-21 15:42:37,484 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:37,484 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-21 15:42:37,484 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [103912864] [2020-08-21 15:42:37,485 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-21 15:42:37,485 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:37,486 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-21 15:42:37,486 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-21 15:42:37,486 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-21 15:42:37,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:37,746 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-21 15:42:37,747 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-21 15:42:37,747 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 380 [2020-08-21 15:42:37,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:37,750 INFO L225 Difference]: With dead ends: 429 [2020-08-21 15:42:37,750 INFO L226 Difference]: Without dead ends: 225 [2020-08-21 15:42:37,752 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 130 GetRequests, 115 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-21 15:42:37,752 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-21 15:42:37,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-21 15:42:37,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-21 15:42:37,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-21 15:42:37,766 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 380 [2020-08-21 15:42:37,766 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:37,766 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-21 15:42:37,767 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-21 15:42:37,767 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-21 15:42:37,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2020-08-21 15:42:37,770 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:37,770 INFO L422 BasicCegarLoop]: trace histogram [16, 16, 15, 15, 13, 12, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 6, 4, 3, 3, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:37,770 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-21 15:42:37,770 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:37,771 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:37,771 INFO L82 PathProgramCache]: Analyzing trace with hash 657587316, now seen corresponding path program 5 times [2020-08-21 15:42:37,771 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:37,771 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [329190099] [2020-08-21 15:42:37,771 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:37,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:37,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:37,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,892 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:37,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:37,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:38,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:38,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:38,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:38,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:38,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:38,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:38,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:38,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-21 15:42:38,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:38,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:38,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:38,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:38,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:38,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1240 backedges. 200 proven. 324 refuted. 0 times theorem prover too weak. 716 trivial. 0 not checked. [2020-08-21 15:42:38,295 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [329190099] [2020-08-21 15:42:38,296 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:38,296 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 15:42:38,297 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2002278015] [2020-08-21 15:42:38,297 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 15:42:38,298 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:38,298 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 15:42:38,298 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 15:42:38,299 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 14 states. [2020-08-21 15:42:38,990 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:38,990 INFO L93 Difference]: Finished difference Result 454 states and 689 transitions. [2020-08-21 15:42:38,991 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 23 states. [2020-08-21 15:42:38,991 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 218 [2020-08-21 15:42:38,994 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:38,998 INFO L225 Difference]: With dead ends: 454 [2020-08-21 15:42:38,999 INFO L226 Difference]: Without dead ends: 246 [2020-08-21 15:42:39,003 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 89 GetRequests, 66 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 75 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-21 15:42:39,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 246 states. [2020-08-21 15:42:39,018 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 246 to 228. [2020-08-21 15:42:39,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 228 states. [2020-08-21 15:42:39,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 228 states to 228 states and 324 transitions. [2020-08-21 15:42:39,020 INFO L78 Accepts]: Start accepts. Automaton has 228 states and 324 transitions. Word has length 218 [2020-08-21 15:42:39,021 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:39,021 INFO L479 AbstractCegarLoop]: Abstraction has 228 states and 324 transitions. [2020-08-21 15:42:39,021 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 15:42:39,021 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 324 transitions. [2020-08-21 15:42:39,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-21 15:42:39,026 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:39,027 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 15:42:39,027 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-21 15:42:39,027 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:39,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:39,028 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 6 times [2020-08-21 15:42:39,028 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:39,028 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [808000128] [2020-08-21 15:42:39,028 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:39,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:39,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:39,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,400 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:39,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:39,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:39,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:39,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:39,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:39,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:39,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:39,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:39,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:39,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:39,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:39,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:39,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:39,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:39,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:39,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:39,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:39,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:39,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:39,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:39,739 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 15:42:39,739 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [808000128] [2020-08-21 15:42:39,740 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:39,740 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-21 15:42:39,740 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [642963648] [2020-08-21 15:42:39,745 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-21 15:42:39,745 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:39,746 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-21 15:42:39,752 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-21 15:42:39,752 INFO L87 Difference]: Start difference. First operand 228 states and 324 transitions. Second operand 12 states. [2020-08-21 15:42:40,103 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:40,103 INFO L93 Difference]: Finished difference Result 487 states and 755 transitions. [2020-08-21 15:42:40,104 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-21 15:42:40,104 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-21 15:42:40,107 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:40,121 INFO L225 Difference]: With dead ends: 487 [2020-08-21 15:42:40,121 INFO L226 Difference]: Without dead ends: 483 [2020-08-21 15:42:40,123 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 48 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-21 15:42:40,124 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 483 states. [2020-08-21 15:42:40,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 483 to 463. [2020-08-21 15:42:40,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 463 states. [2020-08-21 15:42:40,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 463 states to 463 states and 717 transitions. [2020-08-21 15:42:40,161 INFO L78 Accepts]: Start accepts. Automaton has 463 states and 717 transitions. Word has length 286 [2020-08-21 15:42:40,162 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:40,162 INFO L479 AbstractCegarLoop]: Abstraction has 463 states and 717 transitions. [2020-08-21 15:42:40,162 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-21 15:42:40,162 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 717 transitions. [2020-08-21 15:42:40,170 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 396 [2020-08-21 15:42:40,171 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:40,171 INFO L422 BasicCegarLoop]: trace histogram [29, 29, 28, 28, 24, 22, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 10, 8, 6, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:40,171 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-21 15:42:40,171 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:40,172 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:40,172 INFO L82 PathProgramCache]: Analyzing trace with hash 2114796199, now seen corresponding path program 7 times [2020-08-21 15:42:40,174 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:40,174 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [910228708] [2020-08-21 15:42:40,175 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:40,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:40,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:40,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:40,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:40,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:40,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:40,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-21 15:42:40,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:40,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:40,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-21 15:42:40,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:40,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:40,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:40,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:40,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,939 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:40,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:40,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:40,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:40,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:40,969 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:40,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:41,260 INFO L134 CoverageAnalysis]: Checked inductivity of 4371 backedges. 289 proven. 900 refuted. 0 times theorem prover too weak. 3182 trivial. 0 not checked. [2020-08-21 15:42:41,260 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [910228708] [2020-08-21 15:42:41,260 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:41,261 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 15:42:41,261 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981807742] [2020-08-21 15:42:41,263 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 15:42:41,263 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:41,263 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 15:42:41,263 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-21 15:42:41,264 INFO L87 Difference]: Start difference. First operand 463 states and 717 transitions. Second operand 14 states. [2020-08-21 15:42:41,695 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:41,695 INFO L93 Difference]: Finished difference Result 978 states and 1610 transitions. [2020-08-21 15:42:41,696 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 15:42:41,696 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 395 [2020-08-21 15:42:41,696 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:41,710 INFO L225 Difference]: With dead ends: 978 [2020-08-21 15:42:41,711 INFO L226 Difference]: Without dead ends: 529 [2020-08-21 15:42:41,720 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 142 GetRequests, 119 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 71 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-21 15:42:41,722 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 529 states. [2020-08-21 15:42:41,770 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 529 to 502. [2020-08-21 15:42:41,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 502 states. [2020-08-21 15:42:41,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 502 states to 502 states and 738 transitions. [2020-08-21 15:42:41,776 INFO L78 Accepts]: Start accepts. Automaton has 502 states and 738 transitions. Word has length 395 [2020-08-21 15:42:41,777 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:41,777 INFO L479 AbstractCegarLoop]: Abstraction has 502 states and 738 transitions. [2020-08-21 15:42:41,777 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 15:42:41,777 INFO L276 IsEmpty]: Start isEmpty. Operand 502 states and 738 transitions. [2020-08-21 15:42:41,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 668 [2020-08-21 15:42:41,793 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:41,794 INFO L422 BasicCegarLoop]: trace histogram [49, 49, 48, 48, 40, 38, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 16, 14, 10, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:41,794 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-21 15:42:41,794 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:41,795 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:41,795 INFO L82 PathProgramCache]: Analyzing trace with hash -85106141, now seen corresponding path program 8 times [2020-08-21 15:42:41,795 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:41,795 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1150061045] [2020-08-21 15:42:41,796 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:41,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:42,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:42,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:42,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:42,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:42,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:42,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:42,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:42,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:42,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:42,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:42,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:42,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:42,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:42,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:42,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:42,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:42,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:42,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:42,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:42,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:42,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 15:42:42,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:43,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:43,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:43,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,383 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:43,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:43,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:43,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:43,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:43,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:43,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:43,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:43,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:43,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 15:42:43,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:43,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:43,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:43,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:43,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:43,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:44,403 INFO L134 CoverageAnalysis]: Checked inductivity of 12907 backedges. 1905 proven. 2947 refuted. 0 times theorem prover too weak. 8055 trivial. 0 not checked. [2020-08-21 15:42:44,403 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1150061045] [2020-08-21 15:42:44,403 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:44,403 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-21 15:42:44,403 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1346443993] [2020-08-21 15:42:44,404 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-21 15:42:44,404 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:44,405 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-21 15:42:44,405 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2020-08-21 15:42:44,405 INFO L87 Difference]: Start difference. First operand 502 states and 738 transitions. Second operand 29 states. [2020-08-21 15:42:46,408 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:46,408 INFO L93 Difference]: Finished difference Result 751 states and 1196 transitions. [2020-08-21 15:42:46,409 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 66 states. [2020-08-21 15:42:46,409 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 667 [2020-08-21 15:42:46,410 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:46,413 INFO L225 Difference]: With dead ends: 751 [2020-08-21 15:42:46,413 INFO L226 Difference]: Without dead ends: 215 [2020-08-21 15:42:46,419 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 272 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 72 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1564 ImplicationChecksByTransitivity, 1.1s TimeCoverageRelationStatistics Valid=588, Invalid=4814, Unknown=0, NotChecked=0, Total=5402 [2020-08-21 15:42:46,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 215 states. [2020-08-21 15:42:46,437 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 215 to 165. [2020-08-21 15:42:46,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 165 states. [2020-08-21 15:42:46,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 165 states to 165 states and 225 transitions. [2020-08-21 15:42:46,439 INFO L78 Accepts]: Start accepts. Automaton has 165 states and 225 transitions. Word has length 667 [2020-08-21 15:42:46,439 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:46,439 INFO L479 AbstractCegarLoop]: Abstraction has 165 states and 225 transitions. [2020-08-21 15:42:46,439 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-21 15:42:46,440 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 225 transitions. [2020-08-21 15:42:46,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 532 [2020-08-21 15:42:46,452 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:46,453 INFO L422 BasicCegarLoop]: trace histogram [39, 39, 38, 38, 31, 31, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 19, 12, 12, 8, 7, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:46,453 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-21 15:42:46,453 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:46,454 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:46,454 INFO L82 PathProgramCache]: Analyzing trace with hash 1759823621, now seen corresponding path program 9 times [2020-08-21 15:42:46,454 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:46,454 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527626940] [2020-08-21 15:42:46,454 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:46,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:46,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:46,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:46,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:46,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:46,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:46,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:46,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:46,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:47,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:47,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:47,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:47,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:47,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:47,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:47,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:47,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:47,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:47,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:47,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:47,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:47,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:47,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:47,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:47,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:47,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 418 [2020-08-21 15:42:47,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:47,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:47,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:47,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:47,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:47,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:47,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:47,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:48,298 INFO L134 CoverageAnalysis]: Checked inductivity of 8074 backedges. 704 proven. 1703 refuted. 0 times theorem prover too weak. 5667 trivial. 0 not checked. [2020-08-21 15:42:48,298 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527626940] [2020-08-21 15:42:48,299 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:48,299 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 15:42:48,299 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [612537570] [2020-08-21 15:42:48,300 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 15:42:48,300 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:48,300 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 15:42:48,300 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=45, Invalid=261, Unknown=0, NotChecked=0, Total=306 [2020-08-21 15:42:48,300 INFO L87 Difference]: Start difference. First operand 165 states and 225 transitions. Second operand 18 states. [2020-08-21 15:42:49,338 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:49,338 INFO L93 Difference]: Finished difference Result 374 states and 586 transitions. [2020-08-21 15:42:49,339 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-21 15:42:49,339 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 531 [2020-08-21 15:42:49,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:49,343 INFO L225 Difference]: With dead ends: 374 [2020-08-21 15:42:49,343 INFO L226 Difference]: Without dead ends: 226 [2020-08-21 15:42:49,349 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 202 GetRequests, 158 SyntacticMatches, 0 SemanticMatches, 44 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 481 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=293, Invalid=1777, Unknown=0, NotChecked=0, Total=2070 [2020-08-21 15:42:49,350 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 226 states. [2020-08-21 15:42:49,364 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 226 to 183. [2020-08-21 15:42:49,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 183 states. [2020-08-21 15:42:49,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 183 states to 183 states and 256 transitions. [2020-08-21 15:42:49,366 INFO L78 Accepts]: Start accepts. Automaton has 183 states and 256 transitions. Word has length 531 [2020-08-21 15:42:49,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:49,368 INFO L479 AbstractCegarLoop]: Abstraction has 183 states and 256 transitions. [2020-08-21 15:42:49,368 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 15:42:49,369 INFO L276 IsEmpty]: Start isEmpty. Operand 183 states and 256 transitions. [2020-08-21 15:42:49,372 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 573 [2020-08-21 15:42:49,373 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:49,373 INFO L422 BasicCegarLoop]: trace histogram [42, 42, 41, 41, 34, 33, 21, 21, 21, 21, 21, 21, 21, 20, 20, 20, 20, 20, 20, 20, 14, 12, 8, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:49,373 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-21 15:42:49,374 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:49,374 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:49,374 INFO L82 PathProgramCache]: Analyzing trace with hash 2122481566, now seen corresponding path program 10 times [2020-08-21 15:42:49,374 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:49,375 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1350425404] [2020-08-21 15:42:49,375 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:49,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:49,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:49,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:49,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:49,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:49,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:49,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:49,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:49,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:49,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:49,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:49,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:49,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:49,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:49,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:49,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:49,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:49,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,002 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:50,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:50,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:50,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:50,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:50,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:50,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,085 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:50,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,093 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:50,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:42:50,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:50,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,402 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:50,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:50,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:50,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,428 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,438 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:50,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:50,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,464 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:50,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,485 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:50,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:50,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:50,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:50,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:50,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:50,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:50,821 INFO L134 CoverageAnalysis]: Checked inductivity of 9413 backedges. 913 proven. 1781 refuted. 0 times theorem prover too weak. 6719 trivial. 0 not checked. [2020-08-21 15:42:50,821 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1350425404] [2020-08-21 15:42:50,822 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:50,822 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-21 15:42:50,822 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1943325819] [2020-08-21 15:42:50,823 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-21 15:42:50,823 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:50,823 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-21 15:42:50,824 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-21 15:42:50,824 INFO L87 Difference]: Start difference. First operand 183 states and 256 transitions. Second operand 20 states. [2020-08-21 15:42:52,050 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:52,051 INFO L93 Difference]: Finished difference Result 374 states and 594 transitions. [2020-08-21 15:42:52,058 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 47 states. [2020-08-21 15:42:52,058 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 572 [2020-08-21 15:42:52,060 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:52,062 INFO L225 Difference]: With dead ends: 374 [2020-08-21 15:42:52,062 INFO L226 Difference]: Without dead ends: 214 [2020-08-21 15:42:52,064 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 218 GetRequests, 169 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 632 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-21 15:42:52,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 214 states. [2020-08-21 15:42:52,076 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 214 to 207. [2020-08-21 15:42:52,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 207 states. [2020-08-21 15:42:52,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 207 states to 207 states and 299 transitions. [2020-08-21 15:42:52,078 INFO L78 Accepts]: Start accepts. Automaton has 207 states and 299 transitions. Word has length 572 [2020-08-21 15:42:52,079 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:52,079 INFO L479 AbstractCegarLoop]: Abstraction has 207 states and 299 transitions. [2020-08-21 15:42:52,079 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-21 15:42:52,079 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 299 transitions. [2020-08-21 15:42:52,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-21 15:42:52,084 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:52,084 INFO L422 BasicCegarLoop]: trace histogram [48, 48, 45, 45, 38, 37, 24, 24, 24, 24, 24, 24, 24, 22, 22, 22, 22, 22, 22, 22, 16, 13, 10, 8, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:52,084 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-21 15:42:52,085 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:52,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:52,085 INFO L82 PathProgramCache]: Analyzing trace with hash -1490795651, now seen corresponding path program 11 times [2020-08-21 15:42:52,085 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:52,085 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1072153925] [2020-08-21 15:42:52,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:52,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:52,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:52,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:52,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:52,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:52,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:52,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:52,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:52,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:52,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:52,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-21 15:42:52,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:52,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:52,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:52,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:52,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:52,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:52,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:52,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-21 15:42:53,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:53,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:53,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:53,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:53,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:53,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:53,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:53,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:53,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:53,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:53,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:53,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:53,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:53,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:53,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:53,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:53,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:53,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,250 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:53,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:53,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:53,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:53,651 INFO L134 CoverageAnalysis]: Checked inductivity of 11869 backedges. 567 proven. 1942 refuted. 0 times theorem prover too weak. 9360 trivial. 0 not checked. [2020-08-21 15:42:53,657 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1072153925] [2020-08-21 15:42:53,657 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:53,658 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-21 15:42:53,658 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [444864107] [2020-08-21 15:42:53,660 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-21 15:42:53,661 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:53,661 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-21 15:42:53,663 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-21 15:42:53,663 INFO L87 Difference]: Start difference. First operand 207 states and 299 transitions. Second operand 16 states. [2020-08-21 15:42:54,323 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:54,323 INFO L93 Difference]: Finished difference Result 407 states and 612 transitions. [2020-08-21 15:42:54,324 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-21 15:42:54,324 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 640 [2020-08-21 15:42:54,324 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:54,328 INFO L225 Difference]: With dead ends: 407 [2020-08-21 15:42:54,328 INFO L226 Difference]: Without dead ends: 228 [2020-08-21 15:42:54,330 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 131 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-21 15:42:54,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 228 states. [2020-08-21 15:42:54,344 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 228 to 215. [2020-08-21 15:42:54,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 215 states. [2020-08-21 15:42:54,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 215 states and 309 transitions. [2020-08-21 15:42:54,346 INFO L78 Accepts]: Start accepts. Automaton has 215 states and 309 transitions. Word has length 640 [2020-08-21 15:42:54,347 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:54,347 INFO L479 AbstractCegarLoop]: Abstraction has 215 states and 309 transitions. [2020-08-21 15:42:54,347 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-21 15:42:54,347 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 309 transitions. [2020-08-21 15:42:54,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 968 [2020-08-21 15:42:54,359 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:54,359 INFO L422 BasicCegarLoop]: trace histogram [71, 71, 70, 70, 57, 57, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 35, 22, 22, 14, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:54,360 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-21 15:42:54,360 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:54,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:54,360 INFO L82 PathProgramCache]: Analyzing trace with hash 801018439, now seen corresponding path program 12 times [2020-08-21 15:42:54,361 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:54,361 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [484731252] [2020-08-21 15:42:54,361 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:54,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:54,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:54,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:54,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:55,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:55,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:55,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:55,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:55,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:55,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:55,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:55,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:55,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:55,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:55,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:55,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:55,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:55,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:55,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:55,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:55,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:55,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,690 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:55,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:55,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:42:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:55,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:55,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:56,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:56,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:56,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:56,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:56,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:56,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:56,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,272 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:42:56,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,353 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:56,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:56,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2020-08-21 15:42:56,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:56,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:56,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:56,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:56,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:56,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:56,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:56,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:56,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:56,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:56,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:56,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:57,643 INFO L134 CoverageAnalysis]: Checked inductivity of 27552 backedges. 1354 proven. 4110 refuted. 0 times theorem prover too weak. 22088 trivial. 0 not checked. [2020-08-21 15:42:57,644 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [484731252] [2020-08-21 15:42:57,644 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:42:57,644 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-21 15:42:57,644 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1689066116] [2020-08-21 15:42:57,645 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-21 15:42:57,645 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:42:57,646 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-21 15:42:57,646 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-08-21 15:42:57,646 INFO L87 Difference]: Start difference. First operand 215 states and 309 transitions. Second operand 20 states. [2020-08-21 15:42:58,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:42:58,910 INFO L93 Difference]: Finished difference Result 448 states and 721 transitions. [2020-08-21 15:42:58,911 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-08-21 15:42:58,911 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 967 [2020-08-21 15:42:58,912 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:42:58,916 INFO L225 Difference]: With dead ends: 448 [2020-08-21 15:42:58,917 INFO L226 Difference]: Without dead ends: 257 [2020-08-21 15:42:58,919 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 338 GetRequests, 286 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 720 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=382, Invalid=2480, Unknown=0, NotChecked=0, Total=2862 [2020-08-21 15:42:58,920 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 257 states. [2020-08-21 15:42:58,956 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 257 to 242. [2020-08-21 15:42:58,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-21 15:42:58,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 358 transitions. [2020-08-21 15:42:58,962 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 358 transitions. Word has length 967 [2020-08-21 15:42:58,962 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:42:58,962 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 358 transitions. [2020-08-21 15:42:58,963 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-21 15:42:58,963 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 358 transitions. [2020-08-21 15:42:58,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-08-21 15:42:58,982 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:42:58,983 INFO L422 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 47, 46, 29, 29, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 28, 28, 18, 18, 12, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:42:58,985 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-21 15:42:58,987 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:42:58,987 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:42:58,987 INFO L82 PathProgramCache]: Analyzing trace with hash 566872508, now seen corresponding path program 13 times [2020-08-21 15:42:58,988 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:42:58,988 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1393324492] [2020-08-21 15:42:58,988 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:42:59,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:42:59,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:42:59,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:59,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:59,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:59,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:59,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:59,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:59,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:42:59,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:59,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:59,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:59,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:59,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:42:59,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:59,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:59,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:42:59,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:59,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:42:59,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:42:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:42:59,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:42:59,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:42:59,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:42:59,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,087 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,089 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:00,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:00,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:00,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:00,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 15:43:00,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,390 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,392 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:00,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:00,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:00,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:00,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:00,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:00,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,429 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:00,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:00,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,471 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:00,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:00,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:00,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,482 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:00,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,563 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:43:00,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:00,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:00,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:00,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:00,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:00,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:00,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:00,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:01,153 INFO L134 CoverageAnalysis]: Checked inductivity of 18248 backedges. 879 proven. 2682 refuted. 0 times theorem prover too weak. 14687 trivial. 0 not checked. [2020-08-21 15:43:01,153 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1393324492] [2020-08-21 15:43:01,153 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:43:01,154 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 15:43:01,154 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [563010696] [2020-08-21 15:43:01,155 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 15:43:01,155 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:43:01,155 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 15:43:01,155 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 15:43:01,155 INFO L87 Difference]: Start difference. First operand 242 states and 358 transitions. Second operand 18 states. [2020-08-21 15:43:02,023 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:43:02,024 INFO L93 Difference]: Finished difference Result 476 states and 718 transitions. [2020-08-21 15:43:02,024 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-21 15:43:02,024 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 790 [2020-08-21 15:43:02,025 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:43:02,029 INFO L225 Difference]: With dead ends: 476 [2020-08-21 15:43:02,029 INFO L226 Difference]: Without dead ends: 260 [2020-08-21 15:43:02,031 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 15:43:02,032 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 260 states. [2020-08-21 15:43:02,045 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 260 to 242. [2020-08-21 15:43:02,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 242 states. [2020-08-21 15:43:02,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 242 states and 349 transitions. [2020-08-21 15:43:02,048 INFO L78 Accepts]: Start accepts. Automaton has 242 states and 349 transitions. Word has length 790 [2020-08-21 15:43:02,048 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:43:02,048 INFO L479 AbstractCegarLoop]: Abstraction has 242 states and 349 transitions. [2020-08-21 15:43:02,048 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 15:43:02,049 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 349 transitions. [2020-08-21 15:43:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-21 15:43:02,056 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:43:02,056 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 15:43:02,056 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-21 15:43:02,057 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:43:02,057 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:43:02,057 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 14 times [2020-08-21 15:43:02,057 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:43:02,057 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [674922134] [2020-08-21 15:43:02,058 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:43:02,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:43:02,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:43:02,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,541 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:02,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:02,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:02,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:02,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:02,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:02,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:02,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:02,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,935 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:02,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:02,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:02,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:02,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:02,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:02,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:02,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:02,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:02,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:02,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:02,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:02,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:43:03,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:03,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:03,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:03,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,066 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:03,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:03,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 15:43:03,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,241 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:03,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:03,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:03,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:03,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:03,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,280 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:03,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:03,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:03,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:03,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:03,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:03,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:03,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:03,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:03,828 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 15:43:03,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [674922134] [2020-08-21 15:43:03,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:43:03,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-21 15:43:03,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [42560382] [2020-08-21 15:43:03,829 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-21 15:43:03,829 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:43:03,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-21 15:43:03,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-21 15:43:03,830 INFO L87 Difference]: Start difference. First operand 242 states and 349 transitions. Second operand 14 states. [2020-08-21 15:43:04,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:43:04,262 INFO L93 Difference]: Finished difference Result 687 states and 1070 transitions. [2020-08-21 15:43:04,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-21 15:43:04,262 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-21 15:43:04,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:43:04,274 INFO L225 Difference]: With dead ends: 687 [2020-08-21 15:43:04,274 INFO L226 Difference]: Without dead ends: 683 [2020-08-21 15:43:04,276 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 15:43:04,277 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 683 states. [2020-08-21 15:43:04,315 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 683 to 630. [2020-08-21 15:43:04,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 630 states. [2020-08-21 15:43:04,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 630 states and 974 transitions. [2020-08-21 15:43:04,321 INFO L78 Accepts]: Start accepts. Automaton has 630 states and 974 transitions. Word has length 749 [2020-08-21 15:43:04,321 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:43:04,321 INFO L479 AbstractCegarLoop]: Abstraction has 630 states and 974 transitions. [2020-08-21 15:43:04,321 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-21 15:43:04,322 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 974 transitions. [2020-08-21 15:43:04,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1036 [2020-08-21 15:43:04,336 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:43:04,336 INFO L422 BasicCegarLoop]: trace histogram [77, 77, 74, 74, 61, 61, 38, 38, 38, 38, 38, 38, 38, 37, 37, 37, 37, 37, 37, 37, 24, 23, 16, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:43:04,336 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-21 15:43:04,337 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:43:04,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:43:04,337 INFO L82 PathProgramCache]: Analyzing trace with hash 1162202364, now seen corresponding path program 15 times [2020-08-21 15:43:04,337 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:43:04,337 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [492459033] [2020-08-21 15:43:04,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:43:04,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:04,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:43:04,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:04,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:43:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,479 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:05,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:05,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:05,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:05,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:05,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:05,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,595 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:05,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,600 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:43:05,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:05,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:05,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,769 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-21 15:43:05,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:05,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:05,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:05,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:05,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:05,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:05,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:05,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-21 15:43:06,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,091 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:06,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:06,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:06,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:06,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:06,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,149 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:06,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,161 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:06,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:06,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:06,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:06,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:06,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:43:06,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,325 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:06,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:06,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:06,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:06,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,444 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:06,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:06,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:06,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:06,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:06,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:07,280 INFO L134 CoverageAnalysis]: Checked inductivity of 31644 backedges. 1079 proven. 3945 refuted. 0 times theorem prover too weak. 26620 trivial. 0 not checked. [2020-08-21 15:43:07,281 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [492459033] [2020-08-21 15:43:07,281 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:43:07,281 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-21 15:43:07,281 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1721078564] [2020-08-21 15:43:07,282 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-21 15:43:07,282 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:43:07,282 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-21 15:43:07,283 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-21 15:43:07,283 INFO L87 Difference]: Start difference. First operand 630 states and 974 transitions. Second operand 18 states. [2020-08-21 15:43:08,095 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:43:08,096 INFO L93 Difference]: Finished difference Result 1269 states and 2019 transitions. [2020-08-21 15:43:08,096 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-21 15:43:08,096 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1035 [2020-08-21 15:43:08,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:43:08,106 INFO L225 Difference]: With dead ends: 1269 [2020-08-21 15:43:08,107 INFO L226 Difference]: Without dead ends: 665 [2020-08-21 15:43:08,114 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 343 GetRequests, 307 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-21 15:43:08,118 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 665 states. [2020-08-21 15:43:08,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 665 to 639. [2020-08-21 15:43:08,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 639 states. [2020-08-21 15:43:08,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 639 states and 950 transitions. [2020-08-21 15:43:08,168 INFO L78 Accepts]: Start accepts. Automaton has 639 states and 950 transitions. Word has length 1035 [2020-08-21 15:43:08,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:43:08,169 INFO L479 AbstractCegarLoop]: Abstraction has 639 states and 950 transitions. [2020-08-21 15:43:08,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-21 15:43:08,170 INFO L276 IsEmpty]: Start isEmpty. Operand 639 states and 950 transitions. [2020-08-21 15:43:08,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 927 [2020-08-21 15:43:08,184 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:43:08,184 INFO L422 BasicCegarLoop]: trace histogram [68, 68, 67, 67, 55, 54, 34, 34, 34, 34, 34, 34, 34, 33, 33, 33, 33, 33, 33, 33, 22, 20, 13, 13, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:43:08,184 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable26 [2020-08-21 15:43:08,184 INFO L427 AbstractCegarLoop]: === Iteration 28 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:43:08,185 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:43:08,185 INFO L82 PathProgramCache]: Analyzing trace with hash -1329713436, now seen corresponding path program 16 times [2020-08-21 15:43:08,185 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:43:08,186 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [903548522] [2020-08-21 15:43:08,186 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:43:08,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:08,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:43:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:08,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:43:08,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:08,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:08,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:08,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:08,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:09,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:09,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:09,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,262 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:09,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:43:09,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,336 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:09,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:09,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 15:43:09,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,582 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:09,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:09,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-21 15:43:09,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:09,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:09,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:09,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:09,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:09,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:09,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:09,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:09,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:10,551 INFO L134 CoverageAnalysis]: Checked inductivity of 25228 backedges. 1608 proven. 3283 refuted. 0 times theorem prover too weak. 20337 trivial. 0 not checked. [2020-08-21 15:43:10,551 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [903548522] [2020-08-21 15:43:10,551 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:43:10,551 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-21 15:43:10,552 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2059047439] [2020-08-21 15:43:10,552 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-21 15:43:10,552 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:43:10,552 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-21 15:43:10,553 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-21 15:43:10,553 INFO L87 Difference]: Start difference. First operand 639 states and 950 transitions. Second operand 20 states. [2020-08-21 15:43:11,602 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:43:11,602 INFO L93 Difference]: Finished difference Result 1312 states and 2033 transitions. [2020-08-21 15:43:11,602 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-21 15:43:11,603 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 926 [2020-08-21 15:43:11,604 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:43:11,612 INFO L225 Difference]: With dead ends: 1312 [2020-08-21 15:43:11,612 INFO L226 Difference]: Without dead ends: 705 [2020-08-21 15:43:11,617 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 317 GetRequests, 274 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-08-21 15:43:11,618 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 705 states. [2020-08-21 15:43:11,662 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 705 to 599. [2020-08-21 15:43:11,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 599 states. [2020-08-21 15:43:11,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 599 states and 854 transitions. [2020-08-21 15:43:11,667 INFO L78 Accepts]: Start accepts. Automaton has 599 states and 854 transitions. Word has length 926 [2020-08-21 15:43:11,668 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:43:11,668 INFO L479 AbstractCegarLoop]: Abstraction has 599 states and 854 transitions. [2020-08-21 15:43:11,668 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-21 15:43:11,668 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 854 transitions. [2020-08-21 15:43:11,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-08-21 15:43:11,682 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:43:11,683 INFO L422 BasicCegarLoop]: trace histogram [89, 89, 88, 88, 72, 71, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 44, 28, 27, 17, 17, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:43:11,683 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable27 [2020-08-21 15:43:11,683 INFO L427 AbstractCegarLoop]: === Iteration 29 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:43:11,683 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:43:11,684 INFO L82 PathProgramCache]: Analyzing trace with hash 416823031, now seen corresponding path program 17 times [2020-08-21 15:43:11,684 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:43:11,684 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [145725194] [2020-08-21 15:43:11,684 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:43:11,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:12,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-21 15:43:12,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:12,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-21 15:43:12,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:13,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:13,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:13,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:13,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,633 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:13,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:13,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:13,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:13,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:13,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:13,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,694 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:13,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:43:13,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:13,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:13,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:13,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:13,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:13,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:13,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:13,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:13,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:13,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:13,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-21 15:43:13,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,032 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,041 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:14,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,043 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:14,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:14,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:14,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 745 [2020-08-21 15:43:14,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,530 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,532 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:14,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,537 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:14,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:14,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,561 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,567 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,572 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:14,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,574 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-21 15:43:14,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,613 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:14,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:14,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-21 15:43:14,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,698 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:14,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-21 15:43:14,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-21 15:43:14,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-21 15:43:14,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-21 15:43:14,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-21 15:43:14,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:14,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-21 15:43:14,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-21 15:43:15,704 INFO L134 CoverageAnalysis]: Checked inductivity of 43585 backedges. 581 proven. 4097 refuted. 0 times theorem prover too weak. 38907 trivial. 0 not checked. [2020-08-21 15:43:15,705 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [145725194] [2020-08-21 15:43:15,705 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-21 15:43:15,705 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-21 15:43:15,705 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400997488] [2020-08-21 15:43:15,706 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-21 15:43:15,706 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-21 15:43:15,707 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-21 15:43:15,707 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=47, Invalid=163, Unknown=0, NotChecked=0, Total=210 [2020-08-21 15:43:15,707 INFO L87 Difference]: Start difference. First operand 599 states and 854 transitions. Second operand 15 states. [2020-08-21 15:43:16,261 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-21 15:43:16,262 INFO L93 Difference]: Finished difference Result 1498 states and 2246 transitions. [2020-08-21 15:43:16,262 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 24 states. [2020-08-21 15:43:16,262 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 1212 [2020-08-21 15:43:16,264 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-21 15:43:16,277 INFO L225 Difference]: With dead ends: 1498 [2020-08-21 15:43:16,278 INFO L226 Difference]: Without dead ends: 1494 [2020-08-21 15:43:16,279 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 379 GetRequests, 356 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 113 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=127, Invalid=473, Unknown=0, NotChecked=0, Total=600 [2020-08-21 15:43:16,281 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1494 states. [2020-08-21 15:43:16,365 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1494 to 1434. [2020-08-21 15:43:16,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1434 states. [2020-08-21 15:43:16,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1434 states and 2144 transitions. [2020-08-21 15:43:16,377 INFO L78 Accepts]: Start accepts. Automaton has 1434 states and 2144 transitions. Word has length 1212 [2020-08-21 15:43:16,378 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-21 15:43:16,378 INFO L479 AbstractCegarLoop]: Abstraction has 1434 states and 2144 transitions. [2020-08-21 15:43:16,378 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-21 15:43:16,378 INFO L276 IsEmpty]: Start isEmpty. Operand 1434 states and 2144 transitions. [2020-08-21 15:43:16,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 4277 [2020-08-21 15:43:16,536 INFO L414 BasicCegarLoop]: Found error trace [2020-08-21 15:43:16,538 INFO L422 BasicCegarLoop]: trace histogram [314, 314, 313, 313, 255, 252, 157, 157, 157, 157, 157, 157, 157, 156, 156, 156, 156, 156, 156, 156, 98, 96, 62, 58, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-21 15:43:16,538 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable28 [2020-08-21 15:43:16,538 INFO L427 AbstractCegarLoop]: === Iteration 30 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-21 15:43:16,538 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-21 15:43:16,540 INFO L82 PathProgramCache]: Analyzing trace with hash -1901930594, now seen corresponding path program 18 times [2020-08-21 15:43:16,540 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-21 15:43:16,540 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [269965780] [2020-08-21 15:43:16,540 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-21 15:43:16,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat