/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=5 --traceabstraction.additional.smt.options interpolation-heuristic=SMALLESTAMONGWIDE --traceabstraction.additional.smt.options tolerance=0.3 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-1.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 05:10:12,932 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 05:10:12,937 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 05:10:12,987 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 05:10:12,987 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 05:10:12,999 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 05:10:13,001 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 05:10:13,005 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 05:10:13,010 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 05:10:13,011 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 05:10:13,012 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 05:10:13,013 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 05:10:13,013 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 05:10:13,014 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 05:10:13,015 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 05:10:13,017 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 05:10:13,017 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 05:10:13,018 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 05:10:13,020 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 05:10:13,022 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 05:10:13,023 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 05:10:13,025 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 05:10:13,026 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 05:10:13,027 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 05:10:13,029 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 05:10:13,030 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 05:10:13,030 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 05:10:13,031 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 05:10:13,031 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 05:10:13,032 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 05:10:13,032 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 05:10:13,033 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 05:10:13,034 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 05:10:13,035 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 05:10:13,036 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 05:10:13,036 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 05:10:13,036 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 05:10:13,037 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 05:10:13,037 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 05:10:13,038 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 05:10:13,038 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 05:10:13,040 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 [2020-08-19 05:10:13,064 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 05:10:13,064 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 05:10:13,065 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 05:10:13,066 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 05:10:13,066 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 05:10:13,066 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 05:10:13,066 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 05:10:13,066 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 05:10:13,067 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 05:10:13,067 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 05:10:13,067 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 05:10:13,067 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 05:10:13,068 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 05:10:13,068 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 05:10:13,068 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 05:10:13,068 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 05:10:13,068 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 05:10:13,069 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 05:10:13,069 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 05:10:13,069 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 05:10:13,069 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 05:10:13,069 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 05:10:13,070 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 05:10:13,070 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 05:10:13,070 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 05:10:13,070 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 05:10:13,070 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 05:10:13,071 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 05:10:13,071 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 05:10:13,071 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=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=SMALLESTAMONGWIDE;tolerance=0.3; [2020-08-19 05:10:13,405 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 05:10:13,417 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 05:10:13,421 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 05:10:13,423 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 05:10:13,423 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 05:10:13,424 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_15-1.c [2020-08-19 05:10:13,509 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0909dce9/b29285ef98cf44c6834654f521516157/FLAG67db5f659 [2020-08-19 05:10:14,010 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 05:10:14,010 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_15-1.c [2020-08-19 05:10:14,017 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0909dce9/b29285ef98cf44c6834654f521516157/FLAG67db5f659 [2020-08-19 05:10:14,422 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/a0909dce9/b29285ef98cf44c6834654f521516157 [2020-08-19 05:10:14,431 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 05:10:14,433 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 05:10:14,434 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 05:10:14,434 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 05:10:14,438 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 05:10:14,439 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:10:14" (1/1) ... [2020-08-19 05:10:14,442 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1516d3a8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14, skipping insertion in model container [2020-08-19 05:10:14,442 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 05:10:14" (1/1) ... [2020-08-19 05:10:14,450 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 05:10:14,469 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 05:10:14,649 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:10:14,653 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 05:10:14,674 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 05:10:14,689 INFO L208 MainTranslator]: Completed translation [2020-08-19 05:10:14,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14 WrapperNode [2020-08-19 05:10:14,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 05:10:14,691 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 05:10:14,691 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 05:10:14,691 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 05:10:14,704 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14" (1/1) ... [2020-08-19 05:10:14,704 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14" (1/1) ... [2020-08-19 05:10:14,795 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14" (1/1) ... [2020-08-19 05:10:14,796 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14" (1/1) ... [2020-08-19 05:10:14,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14" (1/1) ... [2020-08-19 05:10:14,802 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14" (1/1) ... [2020-08-19 05:10:14,803 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14" (1/1) ... [2020-08-19 05:10:14,805 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 05:10:14,806 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 05:10:14,806 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 05:10:14,806 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 05:10:14,807 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14" (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 [2020-08-19 05:10:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 05:10:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 05:10:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-19 05:10:14,883 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-19 05:10:14,884 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 05:10:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 05:10:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 05:10:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-19 05:10:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-19 05:10:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 05:10:14,884 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 05:10:14,885 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 05:10:15,088 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 05:10:15,089 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 05:10:15,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:10:15 BoogieIcfgContainer [2020-08-19 05:10:15,093 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 05:10:15,094 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 05:10:15,095 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 05:10:15,098 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 05:10:15,098 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 05:10:14" (1/3) ... [2020-08-19 05:10:15,099 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a3259f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:10:15, skipping insertion in model container [2020-08-19 05:10:15,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 05:10:14" (2/3) ... [2020-08-19 05:10:15,100 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@12a3259f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 05:10:15, skipping insertion in model container [2020-08-19 05:10:15,100 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 05:10:15" (3/3) ... [2020-08-19 05:10:15,102 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_15-1.c [2020-08-19 05:10:15,113 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 05:10:15,121 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 05:10:15,136 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 05:10:15,163 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 05:10:15,163 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 05:10:15,163 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 05:10:15,163 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 05:10:15,163 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 05:10:15,164 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 05:10:15,164 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 05:10:15,164 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 05:10:15,182 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-19 05:10:15,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-19 05:10:15,188 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:15,189 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:15,189 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:15,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:15,194 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-19 05:10:15,201 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:15,202 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [865679771] [2020-08-19 05:10:15,202 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:15,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:15,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:15,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:15,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:15,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:15,412 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:10:15,414 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [865679771] [2020-08-19 05:10:15,416 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:10:15,417 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 05:10:15,418 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [486702803] [2020-08-19 05:10:15,424 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 05:10:15,425 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:15,442 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 05:10:15,443 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:10:15,446 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-19 05:10:15,674 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:15,674 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-19 05:10:15,675 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 05:10:15,677 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-19 05:10:15,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:15,687 INFO L225 Difference]: With dead ends: 44 [2020-08-19 05:10:15,689 INFO L226 Difference]: Without dead ends: 30 [2020-08-19 05:10:15,694 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 [2020-08-19 05:10:15,715 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-19 05:10:15,749 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-19 05:10:15,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-19 05:10:15,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-19 05:10:15,755 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-19 05:10:15,756 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:15,756 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-19 05:10:15,756 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 05:10:15,757 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-19 05:10:15,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-19 05:10:15,759 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:15,759 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:15,760 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 05:10:15,760 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:15,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:15,761 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-19 05:10:15,761 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:15,762 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2039995488] [2020-08-19 05:10:15,762 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:15,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:15,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:15,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:15,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:15,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:15,827 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2020-08-19 05:10:15,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2039995488] [2020-08-19 05:10:15,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 05:10:15,828 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 05:10:15,828 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1962064525] [2020-08-19 05:10:15,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 05:10:15,831 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:15,831 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 05:10:15,832 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-19 05:10:15,832 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-19 05:10:15,922 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:15,924 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-19 05:10:15,925 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 05:10:15,925 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-19 05:10:15,925 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:15,926 INFO L225 Difference]: With dead ends: 36 [2020-08-19 05:10:15,927 INFO L226 Difference]: Without dead ends: 32 [2020-08-19 05:10:15,928 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 [2020-08-19 05:10:15,929 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-19 05:10:15,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-19 05:10:15,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-19 05:10:15,938 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-19 05:10:15,939 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-19 05:10:15,939 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:15,939 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-19 05:10:15,939 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 05:10:15,940 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-19 05:10:15,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-19 05:10:15,941 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:15,942 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] [2020-08-19 05:10:15,942 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 05:10:15,942 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:15,943 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:15,943 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-19 05:10:15,943 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:15,944 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1335158209] [2020-08-19 05:10:15,944 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:15,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:15,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:15,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:16,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:16,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:10:16,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,115 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 05:10:16,116 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1335158209] [2020-08-19 05:10:16,116 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:16,116 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 05:10:16,117 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [23067629] [2020-08-19 05:10:16,117 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 05:10:16,117 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:16,118 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 05:10:16,118 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-19 05:10:16,118 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-19 05:10:16,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:16,213 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-19 05:10:16,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 05:10:16,214 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-19 05:10:16,214 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:16,216 INFO L225 Difference]: With dead ends: 58 [2020-08-19 05:10:16,216 INFO L226 Difference]: Without dead ends: 34 [2020-08-19 05:10:16,217 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 [2020-08-19 05:10:16,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-19 05:10:16,225 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-19 05:10:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-19 05:10:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-19 05:10:16,228 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-19 05:10:16,228 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:16,229 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-19 05:10:16,229 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 05:10:16,229 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-19 05:10:16,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-19 05:10:16,230 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:16,231 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] [2020-08-19 05:10:16,231 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 05:10:16,231 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:16,232 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:16,232 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-19 05:10:16,232 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:16,233 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [311486084] [2020-08-19 05:10:16,233 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:16,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:16,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:16,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:16,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:16,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,348 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2020-08-19 05:10:16,349 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [311486084] [2020-08-19 05:10:16,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:16,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 05:10:16,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [290980754] [2020-08-19 05:10:16,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 05:10:16,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:16,351 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 05:10:16,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-19 05:10:16,352 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-19 05:10:16,574 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:16,574 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-19 05:10:16,576 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 05:10:16,576 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-19 05:10:16,576 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:16,581 INFO L225 Difference]: With dead ends: 54 [2020-08-19 05:10:16,581 INFO L226 Difference]: Without dead ends: 50 [2020-08-19 05:10:16,585 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 [2020-08-19 05:10:16,586 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-19 05:10:16,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-19 05:10:16,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-19 05:10:16,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-19 05:10:16,612 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-19 05:10:16,613 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:16,613 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-19 05:10:16,613 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 05:10:16,613 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-19 05:10:16,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-19 05:10:16,615 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:16,615 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] [2020-08-19 05:10:16,616 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 05:10:16,616 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:16,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:16,616 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-19 05:10:16,617 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:16,617 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1887269211] [2020-08-19 05:10:16,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:16,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:16,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:16,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:16,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:16,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 05:10:16,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 05:10:16,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,754 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 5 proven. 5 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-19 05:10:16,754 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1887269211] [2020-08-19 05:10:16,754 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:16,755 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-19 05:10:16,755 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1728841382] [2020-08-19 05:10:16,755 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 05:10:16,756 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:16,756 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 05:10:16,756 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-19 05:10:16,756 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-19 05:10:16,830 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:16,830 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-19 05:10:16,831 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-19 05:10:16,831 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-19 05:10:16,831 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:16,833 INFO L225 Difference]: With dead ends: 94 [2020-08-19 05:10:16,833 INFO L226 Difference]: Without dead ends: 52 [2020-08-19 05:10:16,834 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 [2020-08-19 05:10:16,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-19 05:10:16,844 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-19 05:10:16,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-19 05:10:16,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-19 05:10:16,846 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-19 05:10:16,846 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:16,846 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-19 05:10:16,846 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 05:10:16,847 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-19 05:10:16,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-19 05:10:16,849 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:16,849 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] [2020-08-19 05:10:16,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 05:10:16,849 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:16,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:16,850 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-19 05:10:16,850 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:16,850 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [832296292] [2020-08-19 05:10:16,851 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:16,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:16,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:16,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:16,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:17,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:17,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:17,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,077 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 4 proven. 2 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2020-08-19 05:10:17,077 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [832296292] [2020-08-19 05:10:17,078 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:17,078 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 05:10:17,078 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1005254935] [2020-08-19 05:10:17,079 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 05:10:17,079 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:17,079 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 05:10:17,079 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 05:10:17,081 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-19 05:10:17,220 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:17,221 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-19 05:10:17,221 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 05:10:17,221 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-19 05:10:17,222 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:17,223 INFO L225 Difference]: With dead ends: 103 [2020-08-19 05:10:17,224 INFO L226 Difference]: Without dead ends: 57 [2020-08-19 05:10:17,230 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:10:17,230 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-19 05:10:17,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-19 05:10:17,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-19 05:10:17,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-19 05:10:17,249 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-19 05:10:17,251 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:17,251 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-19 05:10:17,251 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 05:10:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-19 05:10:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-19 05:10:17,253 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:17,254 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] [2020-08-19 05:10:17,254 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 05:10:17,254 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:17,254 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:17,254 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-19 05:10:17,255 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:17,255 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2147151051] [2020-08-19 05:10:17,255 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:17,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:17,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:17,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:17,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:17,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:17,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:17,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,368 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 2 proven. 10 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2020-08-19 05:10:17,369 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2147151051] [2020-08-19 05:10:17,369 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:17,370 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 05:10:17,370 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [701885887] [2020-08-19 05:10:17,371 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 05:10:17,371 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:17,371 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 05:10:17,371 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 05:10:17,372 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-19 05:10:17,554 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:17,554 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-19 05:10:17,555 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 05:10:17,555 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-19 05:10:17,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:17,557 INFO L225 Difference]: With dead ends: 86 [2020-08-19 05:10:17,558 INFO L226 Difference]: Without dead ends: 82 [2020-08-19 05:10:17,558 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 [2020-08-19 05:10:17,559 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-19 05:10:17,572 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-19 05:10:17,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-19 05:10:17,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-19 05:10:17,575 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-19 05:10:17,575 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:17,576 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-19 05:10:17,576 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 05:10:17,576 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-19 05:10:17,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-19 05:10:17,579 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:17,579 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] [2020-08-19 05:10:17,579 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 05:10:17,580 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:17,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:17,580 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-19 05:10:17,581 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:17,581 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1170266661] [2020-08-19 05:10:17,593 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:17,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:17,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:17,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:17,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:17,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:17,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:17,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:17,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 05:10:17,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,761 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 15 proven. 4 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2020-08-19 05:10:17,762 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1170266661] [2020-08-19 05:10:17,762 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:17,762 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 05:10:17,763 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1204661727] [2020-08-19 05:10:17,763 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 05:10:17,763 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:17,764 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 05:10:17,764 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 05:10:17,764 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-19 05:10:17,888 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:17,888 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-19 05:10:17,889 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 05:10:17,889 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-19 05:10:17,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:17,891 INFO L225 Difference]: With dead ends: 167 [2020-08-19 05:10:17,892 INFO L226 Difference]: Without dead ends: 94 [2020-08-19 05:10:17,894 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 [2020-08-19 05:10:17,894 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-19 05:10:17,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-19 05:10:17,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-19 05:10:17,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-19 05:10:17,912 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-19 05:10:17,912 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:17,912 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-19 05:10:17,912 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 05:10:17,912 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-19 05:10:17,915 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-19 05:10:17,915 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:17,916 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] [2020-08-19 05:10:17,916 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 05:10:17,916 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:17,916 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:17,917 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-19 05:10:17,917 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:17,917 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [757104822] [2020-08-19 05:10:17,917 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:17,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:17,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,955 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:17,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:17,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:17,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:18,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,102 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:18,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:18,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,135 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 19 proven. 11 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2020-08-19 05:10:18,135 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [757104822] [2020-08-19 05:10:18,136 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:18,136 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:10:18,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [666423208] [2020-08-19 05:10:18,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:10:18,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:18,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:10:18,139 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:10:18,140 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-19 05:10:18,402 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:18,402 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-19 05:10:18,403 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 05:10:18,403 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-19 05:10:18,403 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:18,407 INFO L225 Difference]: With dead ends: 188 [2020-08-19 05:10:18,407 INFO L226 Difference]: Without dead ends: 109 [2020-08-19 05:10:18,409 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 [2020-08-19 05:10:18,410 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-19 05:10:18,444 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-19 05:10:18,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-19 05:10:18,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-19 05:10:18,448 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-19 05:10:18,449 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:18,449 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-19 05:10:18,450 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:10:18,450 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-19 05:10:18,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-19 05:10:18,454 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:18,454 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] [2020-08-19 05:10:18,454 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 05:10:18,454 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:18,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:18,455 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-19 05:10:18,455 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:18,455 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1963050580] [2020-08-19 05:10:18,456 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:18,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:18,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:18,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:18,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:18,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,601 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:18,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,620 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:18,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,623 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:18,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:18,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:18,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:18,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:18,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:18,723 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 30 proven. 52 refuted. 0 times theorem prover too weak. 50 trivial. 0 not checked. [2020-08-19 05:10:18,724 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1963050580] [2020-08-19 05:10:18,724 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:18,724 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 05:10:18,725 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1857731177] [2020-08-19 05:10:18,725 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 05:10:18,725 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:18,726 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 05:10:18,726 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-19 05:10:18,726 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-19 05:10:19,133 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:19,133 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-19 05:10:19,134 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-19 05:10:19,134 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-19 05:10:19,134 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:19,136 INFO L225 Difference]: With dead ends: 199 [2020-08-19 05:10:19,137 INFO L226 Difference]: Without dead ends: 86 [2020-08-19 05:10:19,139 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 [2020-08-19 05:10:19,139 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-19 05:10:19,146 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-19 05:10:19,147 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-19 05:10:19,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-19 05:10:19,148 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-19 05:10:19,149 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:19,149 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-19 05:10:19,149 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 05:10:19,149 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-19 05:10:19,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-19 05:10:19,151 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:19,151 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] [2020-08-19 05:10:19,151 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 05:10:19,151 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:19,152 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:19,152 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-19 05:10:19,152 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:19,152 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [444888239] [2020-08-19 05:10:19,152 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:19,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,190 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:19,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:19,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:19,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:19,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,322 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:19,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 05:10:19,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:19,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:19,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,381 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 44 proven. 79 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2020-08-19 05:10:19,381 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [444888239] [2020-08-19 05:10:19,382 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:19,382 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 05:10:19,382 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2015539647] [2020-08-19 05:10:19,383 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 05:10:19,383 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:19,383 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 05:10:19,383 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-19 05:10:19,384 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-19 05:10:19,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:19,588 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-19 05:10:19,589 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 05:10:19,589 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-19 05:10:19,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:19,590 INFO L225 Difference]: With dead ends: 142 [2020-08-19 05:10:19,591 INFO L226 Difference]: Without dead ends: 78 [2020-08-19 05:10:19,592 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 [2020-08-19 05:10:19,593 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-19 05:10:19,605 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-19 05:10:19,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-19 05:10:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-19 05:10:19,608 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-19 05:10:19,608 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:19,608 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-19 05:10:19,608 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 05:10:19,609 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-19 05:10:19,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-19 05:10:19,612 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:19,612 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] [2020-08-19 05:10:19,615 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 05:10:19,615 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:19,616 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:19,616 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-19 05:10:19,616 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:19,616 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [949220269] [2020-08-19 05:10:19,617 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:19,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:19,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:19,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:19,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:19,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:19,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:19,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-19 05:10:19,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:19,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:19,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:19,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 05:10:19,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:20,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:20,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:20,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:20,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,072 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-19 05:10:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:20,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,137 INFO L134 CoverageAnalysis]: Checked inductivity of 999 backedges. 133 proven. 373 refuted. 0 times theorem prover too weak. 493 trivial. 0 not checked. [2020-08-19 05:10:20,137 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [949220269] [2020-08-19 05:10:20,138 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:20,138 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-19 05:10:20,138 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697638103] [2020-08-19 05:10:20,139 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-19 05:10:20,139 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:20,139 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-19 05:10:20,140 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-19 05:10:20,140 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-19 05:10:20,708 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:20,709 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-19 05:10:20,709 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-19 05:10:20,709 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-19 05:10:20,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:20,711 INFO L225 Difference]: With dead ends: 184 [2020-08-19 05:10:20,712 INFO L226 Difference]: Without dead ends: 111 [2020-08-19 05:10:20,713 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 [2020-08-19 05:10:20,714 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-19 05:10:20,721 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-19 05:10:20,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-19 05:10:20,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-19 05:10:20,723 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-19 05:10:20,723 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:20,723 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-19 05:10:20,724 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-19 05:10:20,724 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-19 05:10:20,725 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-19 05:10:20,726 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:20,726 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] [2020-08-19 05:10:20,726 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-19 05:10:20,726 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:20,726 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:20,727 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-19 05:10:20,727 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:20,727 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [863174211] [2020-08-19 05:10:20,727 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:20,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:20,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:20,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:20,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:20,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,911 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:20,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 05:10:20,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:20,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:20,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:20,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:20,999 INFO L134 CoverageAnalysis]: Checked inductivity of 437 backedges. 109 proven. 85 refuted. 0 times theorem prover too weak. 243 trivial. 0 not checked. [2020-08-19 05:10:21,000 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [863174211] [2020-08-19 05:10:21,000 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:21,000 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 05:10:21,001 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021595113] [2020-08-19 05:10:21,001 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 05:10:21,001 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:21,002 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 05:10:21,002 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-19 05:10:21,002 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-19 05:10:21,280 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:21,281 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-19 05:10:21,281 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 05:10:21,281 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-19 05:10:21,282 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:21,283 INFO L225 Difference]: With dead ends: 188 [2020-08-19 05:10:21,283 INFO L226 Difference]: Without dead ends: 101 [2020-08-19 05:10:21,285 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 [2020-08-19 05:10:21,285 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-19 05:10:21,291 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-19 05:10:21,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-19 05:10:21,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-19 05:10:21,293 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-19 05:10:21,293 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:21,293 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-19 05:10:21,293 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 05:10:21,294 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-19 05:10:21,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-19 05:10:21,296 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:21,296 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] [2020-08-19 05:10:21,297 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-19 05:10:21,297 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:21,297 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:21,297 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-19 05:10:21,297 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:21,298 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [437960439] [2020-08-19 05:10:21,298 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:21,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:21,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,405 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,491 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:21,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:21,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:21,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:21,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:21,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:21,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:21,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:21,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-19 05:10:21,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:21,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:21,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 787 backedges. 138 proven. 250 refuted. 0 times theorem prover too weak. 399 trivial. 0 not checked. [2020-08-19 05:10:21,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [437960439] [2020-08-19 05:10:21,837 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:21,837 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 05:10:21,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [223078206] [2020-08-19 05:10:21,838 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 05:10:21,838 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:21,839 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 05:10:21,839 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 05:10:21,839 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-19 05:10:22,399 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:22,400 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-19 05:10:22,400 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 05:10:22,401 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-19 05:10:22,401 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:22,405 INFO L225 Difference]: With dead ends: 224 [2020-08-19 05:10:22,405 INFO L226 Difference]: Without dead ends: 131 [2020-08-19 05:10:22,408 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-19 05:10:22,409 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-19 05:10:22,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-19 05:10:22,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-19 05:10:22,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-19 05:10:22,425 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-19 05:10:22,426 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:22,426 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-19 05:10:22,426 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 05:10:22,426 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-19 05:10:22,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-19 05:10:22,428 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:22,429 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] [2020-08-19 05:10:22,429 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-19 05:10:22,429 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:22,430 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:22,430 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-19 05:10:22,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:22,431 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1965005006] [2020-08-19 05:10:22,431 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:22,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:22,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,497 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:22,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:22,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:22,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:22,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:22,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:22,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:22,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:22,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:22,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:22,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:22,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:22,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:22,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:22,909 INFO L134 CoverageAnalysis]: Checked inductivity of 786 backedges. 45 proven. 260 refuted. 0 times theorem prover too weak. 481 trivial. 0 not checked. [2020-08-19 05:10:22,910 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1965005006] [2020-08-19 05:10:22,910 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:22,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 05:10:22,911 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1306541133] [2020-08-19 05:10:22,911 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 05:10:22,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:22,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 05:10:22,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-19 05:10:22,912 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-19 05:10:23,216 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:23,217 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-19 05:10:23,217 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-19 05:10:23,218 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-19 05:10:23,218 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:23,222 INFO L225 Difference]: With dead ends: 244 [2020-08-19 05:10:23,222 INFO L226 Difference]: Without dead ends: 240 [2020-08-19 05:10:23,223 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 [2020-08-19 05:10:23,224 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-19 05:10:23,242 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-19 05:10:23,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-19 05:10:23,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-19 05:10:23,245 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-19 05:10:23,246 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:23,246 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-19 05:10:23,246 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 05:10:23,246 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-19 05:10:23,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-19 05:10:23,251 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:23,251 INFO L422 BasicCegarLoop]: trace histogram [21, 21, 18, 18, 17, 16, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 8, 6, 4, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:23,251 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-19 05:10:23,251 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:23,251 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:23,252 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-19 05:10:23,252 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:23,252 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [389261734] [2020-08-19 05:10:23,252 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:23,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:23,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:23,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:23,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:23,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,493 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:23,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:23,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:23,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,584 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 05:10:23,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:23,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:23,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-19 05:10:23,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,691 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:23,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:23,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:23,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:23,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:23,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:23,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 05:10:23,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:23,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:23,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:23,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:23,876 INFO L134 CoverageAnalysis]: Checked inductivity of 2032 backedges. 167 proven. 362 refuted. 0 times theorem prover too weak. 1503 trivial. 0 not checked. [2020-08-19 05:10:23,877 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [389261734] [2020-08-19 05:10:23,879 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:23,880 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 05:10:23,880 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [681800624] [2020-08-19 05:10:23,881 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 05:10:23,881 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:23,881 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 05:10:23,881 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-19 05:10:23,881 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-19 05:10:24,131 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:24,131 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-19 05:10:24,132 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-19 05:10:24,132 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-19 05:10:24,132 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:24,135 INFO L225 Difference]: With dead ends: 429 [2020-08-19 05:10:24,135 INFO L226 Difference]: Without dead ends: 225 [2020-08-19 05:10:24,138 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 98 GetRequests, 83 SyntacticMatches, 0 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=50, Invalid=222, Unknown=0, NotChecked=0, Total=272 [2020-08-19 05:10:24,138 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-19 05:10:24,151 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-19 05:10:24,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-19 05:10:24,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-19 05:10:24,153 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-19 05:10:24,154 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:24,154 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-19 05:10:24,154 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 05:10:24,154 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-19 05:10:24,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-19 05:10:24,158 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:24,158 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] [2020-08-19 05:10:24,159 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-19 05:10:24,159 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:24,159 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:24,159 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-19 05:10:24,159 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:24,160 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [50881356] [2020-08-19 05:10:24,160 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:24,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:24,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:24,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,490 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:24,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:24,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:24,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:24,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:24,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,605 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:24,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:24,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:24,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,637 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:24,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:24,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:24,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,665 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:24,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,713 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:24,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:24,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:24,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:24,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:24,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:24,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:24,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:24,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:24,828 INFO L134 CoverageAnalysis]: Checked inductivity of 2216 backedges. 94 proven. 558 refuted. 0 times theorem prover too weak. 1564 trivial. 0 not checked. [2020-08-19 05:10:24,828 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [50881356] [2020-08-19 05:10:24,829 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:24,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 05:10:24,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1046627348] [2020-08-19 05:10:24,830 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 05:10:24,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:24,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 05:10:24,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-19 05:10:24,830 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-19 05:10:25,189 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:25,189 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-19 05:10:25,190 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 05:10:25,190 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-19 05:10:25,191 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:25,200 INFO L225 Difference]: With dead ends: 469 [2020-08-19 05:10:25,200 INFO L226 Difference]: Without dead ends: 465 [2020-08-19 05:10:25,202 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 101 GetRequests, 84 SyntacticMatches, 0 SemanticMatches, 17 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 49 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=76, Invalid=266, Unknown=0, NotChecked=0, Total=342 [2020-08-19 05:10:25,203 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-19 05:10:25,239 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-19 05:10:25,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-19 05:10:25,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-19 05:10:25,244 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-19 05:10:25,247 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:25,247 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-19 05:10:25,247 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 05:10:25,247 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-19 05:10:25,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-19 05:10:25,255 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:25,256 INFO L422 BasicCegarLoop]: trace histogram [27, 27, 26, 26, 22, 21, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 9, 8, 5, 5, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:25,256 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-19 05:10:25,256 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:25,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:25,257 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-19 05:10:25,257 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:25,257 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1545289016] [2020-08-19 05:10:25,257 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:25,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:25,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:25,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:25,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:25,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:25,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:25,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:25,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,861 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:25,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:25,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:25,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:25,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,962 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:25,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:25,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:25,994 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-19 05:10:26,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:26,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:26,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:26,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:26,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:26,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:26,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:26,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-19 05:10:26,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,173 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:26,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:26,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:26,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,189 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:26,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:26,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:26,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:26,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:26,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:26,527 INFO L134 CoverageAnalysis]: Checked inductivity of 3769 backedges. 297 proven. 795 refuted. 0 times theorem prover too weak. 2677 trivial. 0 not checked. [2020-08-19 05:10:26,528 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1545289016] [2020-08-19 05:10:26,528 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:26,528 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 05:10:26,529 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1021962815] [2020-08-19 05:10:26,532 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 05:10:26,534 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:26,534 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 05:10:26,534 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 05:10:26,535 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-19 05:10:27,091 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:27,091 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-19 05:10:27,092 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 05:10:27,092 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-19 05:10:27,093 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:27,104 INFO L225 Difference]: With dead ends: 924 [2020-08-19 05:10:27,104 INFO L226 Difference]: Without dead ends: 493 [2020-08-19 05:10:27,111 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-19 05:10:27,113 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-19 05:10:27,161 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-19 05:10:27,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-19 05:10:27,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-19 05:10:27,168 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-19 05:10:27,169 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:27,169 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-19 05:10:27,169 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 05:10:27,170 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-19 05:10:27,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-19 05:10:27,176 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:27,177 INFO L422 BasicCegarLoop]: trace histogram [32, 32, 31, 31, 26, 25, 16, 16, 16, 16, 16, 16, 16, 15, 15, 15, 15, 15, 15, 15, 11, 9, 6, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:27,177 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-19 05:10:27,178 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:27,178 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:27,179 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 7 times [2020-08-19 05:10:27,181 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:27,181 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [695708967] [2020-08-19 05:10:27,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:27,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:27,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:27,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:27,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:27,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:27,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:27,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,894 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:27,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:27,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:27,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,905 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:27,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:27,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:27,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:27,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:27,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:27,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:27,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,979 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:27,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:27,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:27,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,133 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,159 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:28,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:28,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:28,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:28,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:28,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,246 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:28,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:28,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:28,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:28,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:28,817 INFO L134 CoverageAnalysis]: Checked inductivity of 5369 backedges. 1102 proven. 902 refuted. 0 times theorem prover too weak. 3365 trivial. 0 not checked. [2020-08-19 05:10:28,818 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [695708967] [2020-08-19 05:10:28,818 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:28,818 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-19 05:10:28,819 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2134482574] [2020-08-19 05:10:28,820 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-19 05:10:28,820 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:28,820 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-19 05:10:28,820 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-19 05:10:28,821 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 22 states. [2020-08-19 05:10:29,909 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:29,909 INFO L93 Difference]: Finished difference Result 1181 states and 2195 transitions. [2020-08-19 05:10:29,910 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-19 05:10:29,910 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-19 05:10:29,911 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:29,930 INFO L225 Difference]: With dead ends: 1181 [2020-08-19 05:10:29,930 INFO L226 Difference]: Without dead ends: 756 [2020-08-19 05:10:29,939 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-19 05:10:29,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-08-19 05:10:30,027 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 676. [2020-08-19 05:10:30,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-08-19 05:10:30,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1086 transitions. [2020-08-19 05:10:30,039 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1086 transitions. Word has length 436 [2020-08-19 05:10:30,042 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:30,042 INFO L479 AbstractCegarLoop]: Abstraction has 676 states and 1086 transitions. [2020-08-19 05:10:30,043 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-19 05:10:30,043 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1086 transitions. [2020-08-19 05:10:30,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 832 [2020-08-19 05:10:30,056 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:30,057 INFO L422 BasicCegarLoop]: trace histogram [64, 64, 57, 57, 50, 48, 32, 32, 32, 32, 32, 32, 32, 28, 28, 28, 28, 28, 28, 28, 22, 16, 14, 9, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:30,057 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-19 05:10:30,057 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:30,058 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:30,058 INFO L82 PathProgramCache]: Analyzing trace with hash 410125777, now seen corresponding path program 8 times [2020-08-19 05:10:30,059 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:30,059 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [35072777] [2020-08-19 05:10:30,059 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:30,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:30,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:30,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:30,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:30,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,064 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,489 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:31,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:31,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:31,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:31,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,535 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:31,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:31,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:31,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:31,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:31,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:31,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:31,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:31,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:31,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:31,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:31,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:31,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:31,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:31,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:31,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:32,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,082 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:32,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,176 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:32,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-19 05:10:32,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,279 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:32,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:32,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,300 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:32,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:32,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:32,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:32,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:32,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,388 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:32,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 609 [2020-08-19 05:10:32,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:32,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:32,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,941 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:32,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,946 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:32,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:32,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:32,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:32,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:32,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:33,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:33,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:33,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:33,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,019 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:33,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:33,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:33,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:33,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:33,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:33,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,061 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:33,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:33,748 INFO L134 CoverageAnalysis]: Checked inductivity of 20297 backedges. 1254 proven. 3853 refuted. 0 times theorem prover too weak. 15190 trivial. 0 not checked. [2020-08-19 05:10:33,749 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [35072777] [2020-08-19 05:10:33,749 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:33,749 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [23] total 23 [2020-08-19 05:10:33,750 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1971690946] [2020-08-19 05:10:33,750 INFO L459 AbstractCegarLoop]: Interpolant automaton has 23 states [2020-08-19 05:10:33,751 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:33,751 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 23 interpolants. [2020-08-19 05:10:33,751 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=72, Invalid=434, Unknown=0, NotChecked=0, Total=506 [2020-08-19 05:10:33,751 INFO L87 Difference]: Start difference. First operand 676 states and 1086 transitions. Second operand 23 states. [2020-08-19 05:10:34,872 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:34,872 INFO L93 Difference]: Finished difference Result 1184 states and 2069 transitions. [2020-08-19 05:10:34,872 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 49 states. [2020-08-19 05:10:34,873 INFO L78 Accepts]: Start accepts. Automaton has 23 states. Word has length 831 [2020-08-19 05:10:34,873 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:34,881 INFO L225 Difference]: With dead ends: 1184 [2020-08-19 05:10:34,881 INFO L226 Difference]: Without dead ends: 512 [2020-08-19 05:10:34,889 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 299 GetRequests, 248 SyntacticMatches, 0 SemanticMatches, 51 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 765 ImplicationChecksByTransitivity, 0.7s TimeCoverageRelationStatistics Valid=392, Invalid=2364, Unknown=0, NotChecked=0, Total=2756 [2020-08-19 05:10:34,890 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 512 states. [2020-08-19 05:10:34,924 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 512 to 400. [2020-08-19 05:10:34,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 400 states. [2020-08-19 05:10:34,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 400 states and 611 transitions. [2020-08-19 05:10:34,929 INFO L78 Accepts]: Start accepts. Automaton has 400 states and 611 transitions. Word has length 831 [2020-08-19 05:10:34,930 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:34,931 INFO L479 AbstractCegarLoop]: Abstraction has 400 states and 611 transitions. [2020-08-19 05:10:34,931 INFO L480 AbstractCegarLoop]: Interpolant automaton has 23 states. [2020-08-19 05:10:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 611 transitions. [2020-08-19 05:10:34,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-08-19 05:10:34,935 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:34,935 INFO L422 BasicCegarLoop]: trace histogram [34, 34, 33, 33, 27, 27, 17, 17, 17, 17, 17, 17, 17, 16, 16, 16, 16, 16, 16, 16, 11, 10, 7, 6, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:34,935 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-19 05:10:34,936 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:34,936 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:34,936 INFO L82 PathProgramCache]: Analyzing trace with hash 1326629730, now seen corresponding path program 9 times [2020-08-19 05:10:34,936 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:34,937 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1896099789] [2020-08-19 05:10:34,937 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:34,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:35,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:35,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,446 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:35,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:35,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,538 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:35,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:35,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,558 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:35,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,576 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,579 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:35,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:35,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:35,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:35,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:35,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,669 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:35,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:35,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:35,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,815 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,820 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,822 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:35,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:35,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:35,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,844 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:35,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:35,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:35,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:35,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:35,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:35,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:35,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:36,220 INFO L134 CoverageAnalysis]: Checked inductivity of 6082 backedges. 179 proven. 1128 refuted. 0 times theorem prover too weak. 4775 trivial. 0 not checked. [2020-08-19 05:10:36,230 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1896099789] [2020-08-19 05:10:36,231 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:36,231 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-19 05:10:36,231 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [560357472] [2020-08-19 05:10:36,232 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 05:10:36,233 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:36,233 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 05:10:36,233 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-19 05:10:36,233 INFO L87 Difference]: Start difference. First operand 400 states and 611 transitions. Second operand 13 states. [2020-08-19 05:10:36,640 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:36,640 INFO L93 Difference]: Finished difference Result 939 states and 1507 transitions. [2020-08-19 05:10:36,641 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-19 05:10:36,641 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 463 [2020-08-19 05:10:36,643 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:36,665 INFO L225 Difference]: With dead ends: 939 [2020-08-19 05:10:36,665 INFO L226 Difference]: Without dead ends: 935 [2020-08-19 05:10:36,667 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 155 GetRequests, 136 SyntacticMatches, 0 SemanticMatches, 19 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 67 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=91, Invalid=329, Unknown=0, NotChecked=0, Total=420 [2020-08-19 05:10:36,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 935 states. [2020-08-19 05:10:36,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 935 to 889. [2020-08-19 05:10:36,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 889 states. [2020-08-19 05:10:36,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 889 states to 889 states and 1427 transitions. [2020-08-19 05:10:36,789 INFO L78 Accepts]: Start accepts. Automaton has 889 states and 1427 transitions. Word has length 463 [2020-08-19 05:10:36,790 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:36,790 INFO L479 AbstractCegarLoop]: Abstraction has 889 states and 1427 transitions. [2020-08-19 05:10:36,790 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 05:10:36,790 INFO L276 IsEmpty]: Start isEmpty. Operand 889 states and 1427 transitions. [2020-08-19 05:10:36,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-19 05:10:36,802 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:36,803 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] [2020-08-19 05:10:36,803 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-19 05:10:36,804 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:36,804 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:36,804 INFO L82 PathProgramCache]: Analyzing trace with hash -1490795651, now seen corresponding path program 10 times [2020-08-19 05:10:36,805 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:36,805 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [503304911] [2020-08-19 05:10:36,805 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:37,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:37,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:37,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:37,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:37,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:37,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:37,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:37,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:37,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:38,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:38,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:38,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,162 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:38,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-19 05:10:38,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:38,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,349 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-19 05:10:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,540 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,543 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,544 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:38,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,562 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,566 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:38,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,581 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,594 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:38,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:38,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,636 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:38,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,652 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:38,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:38,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:38,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:39,028 INFO L134 CoverageAnalysis]: Checked inductivity of 11869 backedges. 567 proven. 1942 refuted. 0 times theorem prover too weak. 9360 trivial. 0 not checked. [2020-08-19 05:10:39,029 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [503304911] [2020-08-19 05:10:39,029 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:39,029 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-19 05:10:39,030 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1373899779] [2020-08-19 05:10:39,030 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-19 05:10:39,031 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:39,031 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-19 05:10:39,031 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-19 05:10:39,031 INFO L87 Difference]: Start difference. First operand 889 states and 1427 transitions. Second operand 16 states. [2020-08-19 05:10:39,689 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:39,691 INFO L93 Difference]: Finished difference Result 1807 states and 3095 transitions. [2020-08-19 05:10:39,691 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 05:10:39,691 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 640 [2020-08-19 05:10:39,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:39,707 INFO L225 Difference]: With dead ends: 1807 [2020-08-19 05:10:39,707 INFO L226 Difference]: Without dead ends: 936 [2020-08-19 05:10:39,716 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.3s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-19 05:10:39,717 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 936 states. [2020-08-19 05:10:39,782 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 936 to 916. [2020-08-19 05:10:39,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 916 states. [2020-08-19 05:10:39,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 916 states and 1463 transitions. [2020-08-19 05:10:39,791 INFO L78 Accepts]: Start accepts. Automaton has 916 states and 1463 transitions. Word has length 640 [2020-08-19 05:10:39,792 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:39,792 INFO L479 AbstractCegarLoop]: Abstraction has 916 states and 1463 transitions. [2020-08-19 05:10:39,792 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-19 05:10:39,792 INFO L276 IsEmpty]: Start isEmpty. Operand 916 states and 1463 transitions. [2020-08-19 05:10:39,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1826 [2020-08-19 05:10:39,848 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:39,849 INFO L422 BasicCegarLoop]: trace histogram [134, 134, 133, 133, 109, 107, 67, 67, 67, 67, 67, 67, 67, 66, 66, 66, 66, 66, 66, 66, 43, 40, 26, 25, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:39,849 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-19 05:10:39,850 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:39,850 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:39,850 INFO L82 PathProgramCache]: Analyzing trace with hash 1708265766, now seen corresponding path program 11 times [2020-08-19 05:10:39,851 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:39,852 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1906016392] [2020-08-19 05:10:39,852 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:39,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:41,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:41,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:41,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:41,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:42,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:42,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,198 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:43,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,260 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:43,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,274 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,275 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:43,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,304 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,308 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,332 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:43,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,379 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:43,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,864 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,866 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:43,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:43,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,884 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,897 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:43,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,922 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:43,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:43,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,980 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:43,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,983 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:43,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:43,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:43,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:43,993 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:43,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:44,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,090 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,107 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:44,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:44,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:44,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:44,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:44,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:44,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:44,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:44,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,164 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:44,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:44,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:44,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:44,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:44,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:44,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:44,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:44,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:44,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:44,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:44,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:44,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:44,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:44,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 854 [2020-08-19 05:10:44,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,168 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,170 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:45,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:45,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,183 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,186 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:45,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,200 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,202 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:45,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,211 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:45,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,252 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:45,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:45,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,271 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:45,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:45,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,348 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,352 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:45,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,361 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 05:10:45,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:45,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:45,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:45,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,687 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:45,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:45,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:45,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:45,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:45,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,855 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,891 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,895 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:45,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,907 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:45,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,921 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,923 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:45,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,949 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:45,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:45,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:45,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,977 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:45,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:45,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:45,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:46,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:46,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,010 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:46,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:46,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:46,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:46,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,021 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:46,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,023 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:46,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:46,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:46,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:46,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:46,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:46,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:46,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:48,960 INFO L134 CoverageAnalysis]: Checked inductivity of 99737 backedges. 1589 proven. 9308 refuted. 0 times theorem prover too weak. 88840 trivial. 0 not checked. [2020-08-19 05:10:48,967 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1906016392] [2020-08-19 05:10:48,968 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:48,968 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-19 05:10:48,970 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [852937145] [2020-08-19 05:10:48,973 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-19 05:10:48,975 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:48,975 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-19 05:10:48,976 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=55, Invalid=325, Unknown=0, NotChecked=0, Total=380 [2020-08-19 05:10:48,976 INFO L87 Difference]: Start difference. First operand 916 states and 1463 transitions. Second operand 20 states. [2020-08-19 05:10:50,314 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:50,315 INFO L93 Difference]: Finished difference Result 1512 states and 2634 transitions. [2020-08-19 05:10:50,315 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 50 states. [2020-08-19 05:10:50,315 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1825 [2020-08-19 05:10:50,316 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:50,326 INFO L225 Difference]: With dead ends: 1512 [2020-08-19 05:10:50,326 INFO L226 Difference]: Without dead ends: 601 [2020-08-19 05:10:50,335 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 590 GetRequests, 538 SyntacticMatches, 0 SemanticMatches, 52 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 715 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=382, Invalid=2480, Unknown=0, NotChecked=0, Total=2862 [2020-08-19 05:10:50,337 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-08-19 05:10:50,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 538. [2020-08-19 05:10:50,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-08-19 05:10:50,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 839 transitions. [2020-08-19 05:10:50,381 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 839 transitions. Word has length 1825 [2020-08-19 05:10:50,382 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:50,382 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 839 transitions. [2020-08-19 05:10:50,382 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-19 05:10:50,382 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 839 transitions. [2020-08-19 05:10:50,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 900 [2020-08-19 05:10:50,393 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:50,394 INFO L422 BasicCegarLoop]: trace histogram [66, 66, 65, 65, 53, 53, 33, 33, 33, 33, 33, 33, 33, 32, 32, 32, 32, 32, 32, 32, 21, 20, 13, 12, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:50,394 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-19 05:10:50,394 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:50,395 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:50,395 INFO L82 PathProgramCache]: Analyzing trace with hash -15983332, now seen corresponding path program 12 times [2020-08-19 05:10:50,395 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:50,395 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1405094417] [2020-08-19 05:10:50,396 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:50,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:50,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:50,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:50,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:50,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,119 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,182 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,255 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,273 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,369 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,371 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:51,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,373 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,374 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,375 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:51,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,385 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:51,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,407 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,408 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,410 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:51,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:51,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,455 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,456 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:51,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,459 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,460 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,463 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:51,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,466 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:51,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,624 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,628 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:51,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:51,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 05:10:51,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,945 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,948 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:51,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,951 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:51,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,963 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,966 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,973 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:51,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,984 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:51,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:51,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:51,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:51,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:51,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:52,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,022 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,028 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:52,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:52,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:52,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:52,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:52,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:52,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,096 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:52,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:52,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:52,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:52,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:52,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:52,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:52,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 05:10:52,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:52,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:52,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:52,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:52,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:52,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,248 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:52,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:52,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:52,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:52,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:53,233 INFO L134 CoverageAnalysis]: Checked inductivity of 23752 backedges. 899 proven. 3213 refuted. 0 times theorem prover too weak. 19640 trivial. 0 not checked. [2020-08-19 05:10:53,234 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1405094417] [2020-08-19 05:10:53,234 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:53,234 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 05:10:53,235 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [862327404] [2020-08-19 05:10:53,236 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 05:10:53,236 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:53,236 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 05:10:53,237 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-19 05:10:53,237 INFO L87 Difference]: Start difference. First operand 538 states and 839 transitions. Second operand 18 states. [2020-08-19 05:10:54,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:54,075 INFO L93 Difference]: Finished difference Result 1082 states and 1732 transitions. [2020-08-19 05:10:54,076 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-19 05:10:54,076 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 899 [2020-08-19 05:10:54,077 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:54,086 INFO L225 Difference]: With dead ends: 1082 [2020-08-19 05:10:54,086 INFO L226 Difference]: Without dead ends: 576 [2020-08-19 05:10:54,091 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 302 GetRequests, 266 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-19 05:10:54,092 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2020-08-19 05:10:54,124 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 538. [2020-08-19 05:10:54,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-08-19 05:10:54,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 808 transitions. [2020-08-19 05:10:54,128 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 808 transitions. Word has length 899 [2020-08-19 05:10:54,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:54,129 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 808 transitions. [2020-08-19 05:10:54,129 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 05:10:54,129 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 808 transitions. [2020-08-19 05:10:54,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-19 05:10:54,138 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:54,138 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] [2020-08-19 05:10:54,140 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-19 05:10:54,141 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:54,141 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:54,142 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 13 times [2020-08-19 05:10:54,142 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:54,142 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [219615911] [2020-08-19 05:10:54,142 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:54,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:54,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:54,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:54,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:54,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:54,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:54,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,204 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:55,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:55,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,266 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,269 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,278 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:55,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,292 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:55,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,317 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:55,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,343 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,347 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:55,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,350 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:55,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,357 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,362 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:55,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,457 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,467 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,478 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,480 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,484 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:55,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:55,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,496 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:55,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,516 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,519 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:55,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,528 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 05:10:55,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:55,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:55,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:55,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,802 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,803 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:55,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:55,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,834 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:55,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:55,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,851 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:55,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:55,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:55,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:56,325 INFO L134 CoverageAnalysis]: Checked inductivity of 16364 backedges. 328 proven. 2181 refuted. 0 times theorem prover too weak. 13855 trivial. 0 not checked. [2020-08-19 05:10:56,326 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [219615911] [2020-08-19 05:10:56,326 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:10:56,326 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 05:10:56,326 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [696979562] [2020-08-19 05:10:56,327 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 05:10:56,327 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:10:56,327 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 05:10:56,327 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-19 05:10:56,327 INFO L87 Difference]: Start difference. First operand 538 states and 808 transitions. Second operand 14 states. [2020-08-19 05:10:56,748 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:10:56,748 INFO L93 Difference]: Finished difference Result 1297 states and 2035 transitions. [2020-08-19 05:10:56,748 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 05:10:56,749 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-19 05:10:56,750 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:10:56,766 INFO L225 Difference]: With dead ends: 1297 [2020-08-19 05:10:56,767 INFO L226 Difference]: Without dead ends: 1293 [2020-08-19 05:10:56,769 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 [2020-08-19 05:10:56,770 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1293 states. [2020-08-19 05:10:56,848 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1293 to 1259. [2020-08-19 05:10:56,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1259 states. [2020-08-19 05:10:56,856 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1967 transitions. [2020-08-19 05:10:56,857 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1967 transitions. Word has length 749 [2020-08-19 05:10:56,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:10:56,858 INFO L479 AbstractCegarLoop]: Abstraction has 1259 states and 1967 transitions. [2020-08-19 05:10:56,858 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 05:10:56,858 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1967 transitions. [2020-08-19 05:10:56,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1540 [2020-08-19 05:10:56,880 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:10:56,881 INFO L422 BasicCegarLoop]: trace histogram [115, 115, 110, 110, 92, 90, 57, 57, 57, 57, 57, 57, 57, 55, 55, 55, 55, 55, 55, 55, 37, 33, 23, 20, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:10:56,881 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-19 05:10:56,881 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:10:56,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:10:56,882 INFO L82 PathProgramCache]: Analyzing trace with hash -990532387, now seen corresponding path program 14 times [2020-08-19 05:10:56,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:10:56,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1667614755] [2020-08-19 05:10:56,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:10:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:57,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 05:10:57,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:57,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 05:10:57,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,267 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,462 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,539 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,586 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,587 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:58,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,589 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:58,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,591 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:58,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,598 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,599 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:58,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,609 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,612 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,614 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,616 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:58,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,617 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:58,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,618 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:58,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,644 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:58,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:58,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:58,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:58,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:58,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,774 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:58,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,825 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:58,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:58,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,838 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,840 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:58,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,841 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:58,841 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 05:10:58,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:58,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:58,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,026 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,030 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,036 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,038 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:59,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,051 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:59,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,068 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,071 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:59,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,099 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:59,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,117 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,132 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,136 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,138 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 677 [2020-08-19 05:10:59,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,770 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:59,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:59,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:10:59,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,812 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:59,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:10:59,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,848 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,858 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,860 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,862 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:59,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,868 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:10:59,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,881 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 05:10:59,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,961 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,975 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:10:59,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:10:59,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:10:59,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:10:59,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:10:59,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:11:00,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,014 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,016 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:11:00,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:11:00,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,039 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:11:00,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:11:00,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,054 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 05:11:00,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,201 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,206 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,207 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,209 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:11:00,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:11:00,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:11:00,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,231 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:11:00,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,454 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-19 05:11:00,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,476 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,501 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,502 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:11:00,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,505 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:11:00,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,506 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,508 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:11:00,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,510 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,512 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:11:00,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 05:11:00,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,520 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,521 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,523 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,524 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:11:00,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,525 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:11:00,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,527 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,536 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 05:11:00,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,542 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,548 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,549 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,551 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:11:00,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,552 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 05:11:00,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,553 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,554 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 05:11:00,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,557 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 05:11:00,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,559 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 05:11:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:00,560 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 05:11:00,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 05:11:02,309 INFO L134 CoverageAnalysis]: Checked inductivity of 70715 backedges. 1201 proven. 6499 refuted. 0 times theorem prover too weak. 63015 trivial. 0 not checked. [2020-08-19 05:11:02,310 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1667614755] [2020-08-19 05:11:02,310 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 05:11:02,310 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 05:11:02,310 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1093743740] [2020-08-19 05:11:02,311 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 05:11:02,311 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 05:11:02,311 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 05:11:02,312 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-19 05:11:02,312 INFO L87 Difference]: Start difference. First operand 1259 states and 1967 transitions. Second operand 18 states. [2020-08-19 05:11:03,170 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 05:11:03,170 INFO L93 Difference]: Finished difference Result 2524 states and 4065 transitions. [2020-08-19 05:11:03,171 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 35 states. [2020-08-19 05:11:03,171 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 1539 [2020-08-19 05:11:03,172 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 05:11:03,188 INFO L225 Difference]: With dead ends: 2524 [2020-08-19 05:11:03,188 INFO L226 Difference]: Without dead ends: 1297 [2020-08-19 05:11:03,198 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 491 GetRequests, 455 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 268 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-19 05:11:03,200 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1297 states. [2020-08-19 05:11:03,278 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1297 to 1259. [2020-08-19 05:11:03,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1259 states. [2020-08-19 05:11:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 1259 states and 1904 transitions. [2020-08-19 05:11:03,287 INFO L78 Accepts]: Start accepts. Automaton has 1259 states and 1904 transitions. Word has length 1539 [2020-08-19 05:11:03,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 05:11:03,288 INFO L479 AbstractCegarLoop]: Abstraction has 1259 states and 1904 transitions. [2020-08-19 05:11:03,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 05:11:03,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1904 transitions. [2020-08-19 05:11:03,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1213 [2020-08-19 05:11:03,305 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 05:11:03,306 INFO L422 BasicCegarLoop]: trace histogram [90, 90, 87, 87, 72, 71, 45, 45, 45, 45, 45, 45, 45, 43, 43, 43, 43, 43, 43, 43, 29, 26, 18, 16, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 05:11:03,306 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-19 05:11:03,306 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 05:11:03,306 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 05:11:03,307 INFO L82 PathProgramCache]: Analyzing trace with hash 1219901515, now seen corresponding path program 15 times [2020-08-19 05:11:03,307 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 05:11:03,307 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1819313690] [2020-08-19 05:11:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 05:11:03,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat