/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=WIDESTAMONGSMALL --traceabstraction.additional.smt.options tolerance=0.8 -s ../../../trunk/examples/settings/default/automizer/svcomp-Reach-32bit-Automizer_Default.epf -i ../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c -------------------------------------------------------------------------------- This is Ultimate 0.1.25-5644d1e-m [2020-08-19 01:56:10,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2020-08-19 01:56:10,627 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2020-08-19 01:56:10,655 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2020-08-19 01:56:10,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2020-08-19 01:56:10,664 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2020-08-19 01:56:10,667 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2020-08-19 01:56:10,669 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2020-08-19 01:56:10,670 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2020-08-19 01:56:10,672 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2020-08-19 01:56:10,673 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2020-08-19 01:56:10,675 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2020-08-19 01:56:10,675 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2020-08-19 01:56:10,676 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2020-08-19 01:56:10,680 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2020-08-19 01:56:10,681 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2020-08-19 01:56:10,681 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2020-08-19 01:56:10,685 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2020-08-19 01:56:10,689 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2020-08-19 01:56:10,693 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2020-08-19 01:56:10,699 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2020-08-19 01:56:10,700 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2020-08-19 01:56:10,701 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2020-08-19 01:56:10,701 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2020-08-19 01:56:10,706 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2020-08-19 01:56:10,706 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2020-08-19 01:56:10,713 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2020-08-19 01:56:10,714 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2020-08-19 01:56:10,714 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2020-08-19 01:56:10,715 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2020-08-19 01:56:10,718 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2020-08-19 01:56:10,719 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2020-08-19 01:56:10,719 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2020-08-19 01:56:10,723 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2020-08-19 01:56:10,724 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2020-08-19 01:56:10,724 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2020-08-19 01:56:10,724 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2020-08-19 01:56:10,725 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2020-08-19 01:56:10,725 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2020-08-19 01:56:10,726 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2020-08-19 01:56:10,727 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2020-08-19 01:56:10,728 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 01:56:10,764 INFO L113 SettingsManager]: Loading preferences was successful [2020-08-19 01:56:10,764 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2020-08-19 01:56:10,766 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2020-08-19 01:56:10,766 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2020-08-19 01:56:10,766 INFO L138 SettingsManager]: * Use SBE=true [2020-08-19 01:56:10,766 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2020-08-19 01:56:10,766 INFO L138 SettingsManager]: * sizeof long=4 [2020-08-19 01:56:10,767 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2020-08-19 01:56:10,767 INFO L138 SettingsManager]: * sizeof POINTER=4 [2020-08-19 01:56:10,767 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2020-08-19 01:56:10,767 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2020-08-19 01:56:10,767 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2020-08-19 01:56:10,768 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2020-08-19 01:56:10,768 INFO L138 SettingsManager]: * sizeof long double=12 [2020-08-19 01:56:10,768 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2020-08-19 01:56:10,768 INFO L138 SettingsManager]: * Use constant arrays=true [2020-08-19 01:56:10,768 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2020-08-19 01:56:10,769 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2020-08-19 01:56:10,769 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2020-08-19 01:56:10,769 INFO L138 SettingsManager]: * To the following directory=./dump/ [2020-08-19 01:56:10,769 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2020-08-19 01:56:10,769 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2020-08-19 01:56:10,769 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2020-08-19 01:56:10,770 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2020-08-19 01:56:10,770 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2020-08-19 01:56:10,770 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2020-08-19 01:56:10,770 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2020-08-19 01:56:10,770 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2020-08-19 01:56:10,771 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2020-08-19 01:56:10,771 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=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: Additional SMT options -> enumeration-timeout=5;interpolation-heuristic=WIDESTAMONGSMALL;tolerance=0.8; [2020-08-19 01:56:11,073 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2020-08-19 01:56:11,086 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2020-08-19 01:56:11,089 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2020-08-19 01:56:11,091 INFO L271 PluginConnector]: Initializing CDTParser... [2020-08-19 01:56:11,091 INFO L275 PluginConnector]: CDTParser initialized [2020-08-19 01:56:11,092 INFO L429 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/../../../trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-19 01:56:11,168 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d238e515/baf40bd2718e4d329fd1a59e7c314bb0/FLAG1e01cff2a [2020-08-19 01:56:11,621 INFO L306 CDTParser]: Found 1 translation units. [2020-08-19 01:56:11,622 INFO L160 CDTParser]: Scanning /storage/repos/ultimate-2/trunk/examples/svcomp/recursive-simple/fibo_2calls_10-2.c [2020-08-19 01:56:11,632 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d238e515/baf40bd2718e4d329fd1a59e7c314bb0/FLAG1e01cff2a [2020-08-19 01:56:11,978 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate-2/releaseScripts/default/UAutomizer-linux/data/9d238e515/baf40bd2718e4d329fd1a59e7c314bb0 [2020-08-19 01:56:11,986 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2020-08-19 01:56:11,987 INFO L131 ToolchainWalker]: Walking toolchain with 4 elements. [2020-08-19 01:56:11,988 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2020-08-19 01:56:11,989 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2020-08-19 01:56:11,992 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2020-08-19 01:56:11,993 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:56:11" (1/1) ... [2020-08-19 01:56:11,996 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3d4fe80c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:11, skipping insertion in model container [2020-08-19 01:56:11,996 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.08 01:56:11" (1/1) ... [2020-08-19 01:56:12,004 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2020-08-19 01:56:12,023 INFO L178 MainTranslator]: Built tables and reachable declarations [2020-08-19 01:56:12,256 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:56:12,260 INFO L203 MainTranslator]: Completed pre-run [2020-08-19 01:56:12,278 INFO L206 PostProcessor]: Analyzing one entry point: main [2020-08-19 01:56:12,293 INFO L208 MainTranslator]: Completed translation [2020-08-19 01:56:12,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12 WrapperNode [2020-08-19 01:56:12,294 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2020-08-19 01:56:12,294 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2020-08-19 01:56:12,295 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2020-08-19 01:56:12,295 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2020-08-19 01:56:12,309 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12" (1/1) ... [2020-08-19 01:56:12,309 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12" (1/1) ... [2020-08-19 01:56:12,397 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12" (1/1) ... [2020-08-19 01:56:12,398 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12" (1/1) ... [2020-08-19 01:56:12,403 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12" (1/1) ... [2020-08-19 01:56:12,407 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12" (1/1) ... [2020-08-19 01:56:12,413 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12" (1/1) ... [2020-08-19 01:56:12,421 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2020-08-19 01:56:12,421 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2020-08-19 01:56:12,421 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2020-08-19 01:56:12,422 INFO L275 PluginConnector]: RCFGBuilder initialized [2020-08-19 01:56:12,422 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12" (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 01:56:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2020-08-19 01:56:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2020-08-19 01:56:12,488 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo1 [2020-08-19 01:56:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure fibo2 [2020-08-19 01:56:12,489 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2020-08-19 01:56:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2020-08-19 01:56:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2020-08-19 01:56:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure fibo1 [2020-08-19 01:56:12,489 INFO L130 BoogieDeclarations]: Found specification of procedure fibo2 [2020-08-19 01:56:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure main [2020-08-19 01:56:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2020-08-19 01:56:12,490 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2020-08-19 01:56:12,677 INFO L290 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2020-08-19 01:56:12,677 INFO L295 CfgBuilder]: Removed 0 assume(true) statements. [2020-08-19 01:56:12,681 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:56:12 BoogieIcfgContainer [2020-08-19 01:56:12,681 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2020-08-19 01:56:12,682 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2020-08-19 01:56:12,683 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2020-08-19 01:56:12,686 INFO L275 PluginConnector]: TraceAbstraction initialized [2020-08-19 01:56:12,686 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 19.08 01:56:11" (1/3) ... [2020-08-19 01:56:12,687 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537751d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:56:12, skipping insertion in model container [2020-08-19 01:56:12,687 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.08 01:56:12" (2/3) ... [2020-08-19 01:56:12,688 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@537751d8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 19.08 01:56:12, skipping insertion in model container [2020-08-19 01:56:12,688 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.08 01:56:12" (3/3) ... [2020-08-19 01:56:12,689 INFO L109 eAbstractionObserver]: Analyzing ICFG fibo_2calls_10-2.c [2020-08-19 01:56:12,700 INFO L157 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:Craig_NestedInterpolation Determinization: PREDICATE_ABSTRACTION [2020-08-19 01:56:12,706 INFO L169 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2020-08-19 01:56:12,720 INFO L251 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2020-08-19 01:56:12,744 INFO L375 AbstractCegarLoop]: Interprodecural is true [2020-08-19 01:56:12,744 INFO L376 AbstractCegarLoop]: Hoare is true [2020-08-19 01:56:12,744 INFO L377 AbstractCegarLoop]: Compute interpolants for Craig_NestedInterpolation [2020-08-19 01:56:12,744 INFO L378 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2020-08-19 01:56:12,744 INFO L379 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2020-08-19 01:56:12,744 INFO L380 AbstractCegarLoop]: Difference is false [2020-08-19 01:56:12,745 INFO L381 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2020-08-19 01:56:12,745 INFO L385 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2020-08-19 01:56:12,760 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states. [2020-08-19 01:56:12,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2020-08-19 01:56:12,766 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:12,766 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:56:12,767 INFO L427 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:12,772 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:12,773 INFO L82 PathProgramCache]: Analyzing trace with hash 1464461757, now seen corresponding path program 1 times [2020-08-19 01:56:12,779 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:12,780 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [60706156] [2020-08-19 01:56:12,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:12,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:12,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:12,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:12,943 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:12,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:12,989 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 01:56:12,990 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [60706156] [2020-08-19 01:56:12,992 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:56:12,993 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 01:56:12,994 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [706245118] [2020-08-19 01:56:12,999 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 01:56:13,000 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:13,034 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 01:56:13,035 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-19 01:56:13,040 INFO L87 Difference]: Start difference. First operand 33 states. Second operand 5 states. [2020-08-19 01:56:13,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:13,158 INFO L93 Difference]: Finished difference Result 44 states and 53 transitions. [2020-08-19 01:56:13,159 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 01:56:13,161 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 13 [2020-08-19 01:56:13,161 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:13,172 INFO L225 Difference]: With dead ends: 44 [2020-08-19 01:56:13,172 INFO L226 Difference]: Without dead ends: 30 [2020-08-19 01:56:13,176 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 01:56:13,196 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 30 states. [2020-08-19 01:56:13,221 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 30 to 30. [2020-08-19 01:56:13,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-19 01:56:13,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-19 01:56:13,227 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 13 [2020-08-19 01:56:13,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:13,227 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-19 01:56:13,228 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 01:56:13,228 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-19 01:56:13,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2020-08-19 01:56:13,234 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:13,235 INFO L422 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:56:13,235 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2020-08-19 01:56:13,235 INFO L427 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:13,236 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:13,236 INFO L82 PathProgramCache]: Analyzing trace with hash -1134800479, now seen corresponding path program 1 times [2020-08-19 01:56:13,236 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:13,237 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1575124503] [2020-08-19 01:56:13,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:13,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:13,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:13,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,317 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 01:56:13,318 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1575124503] [2020-08-19 01:56:13,318 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2020-08-19 01:56:13,319 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2020-08-19 01:56:13,319 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [461591831] [2020-08-19 01:56:13,321 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2020-08-19 01:56:13,321 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:13,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2020-08-19 01:56:13,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2020-08-19 01:56:13,322 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 5 states. [2020-08-19 01:56:13,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:13,391 INFO L93 Difference]: Finished difference Result 36 states and 44 transitions. [2020-08-19 01:56:13,392 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2020-08-19 01:56:13,392 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 14 [2020-08-19 01:56:13,392 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:13,394 INFO L225 Difference]: With dead ends: 36 [2020-08-19 01:56:13,394 INFO L226 Difference]: Without dead ends: 32 [2020-08-19 01:56:13,395 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 01:56:13,396 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 32 states. [2020-08-19 01:56:13,403 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 32 to 30. [2020-08-19 01:56:13,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 30 states. [2020-08-19 01:56:13,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 30 states and 37 transitions. [2020-08-19 01:56:13,405 INFO L78 Accepts]: Start accepts. Automaton has 30 states and 37 transitions. Word has length 14 [2020-08-19 01:56:13,406 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:13,406 INFO L479 AbstractCegarLoop]: Abstraction has 30 states and 37 transitions. [2020-08-19 01:56:13,406 INFO L480 AbstractCegarLoop]: Interpolant automaton has 5 states. [2020-08-19 01:56:13,406 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 37 transitions. [2020-08-19 01:56:13,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2020-08-19 01:56:13,408 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:13,408 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 01:56:13,408 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2020-08-19 01:56:13,408 INFO L427 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:13,409 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:13,409 INFO L82 PathProgramCache]: Analyzing trace with hash -1592795560, now seen corresponding path program 1 times [2020-08-19 01:56:13,409 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:13,410 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1780376904] [2020-08-19 01:56:13,410 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:13,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:13,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,486 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:13,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,550 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:13,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,577 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:56:13,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,585 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 01:56:13,585 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1780376904] [2020-08-19 01:56:13,586 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:13,586 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 01:56:13,586 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1632244337] [2020-08-19 01:56:13,587 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 01:56:13,587 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:13,587 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 01:56:13,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=30, Unknown=0, NotChecked=0, Total=42 [2020-08-19 01:56:13,588 INFO L87 Difference]: Start difference. First operand 30 states and 37 transitions. Second operand 7 states. [2020-08-19 01:56:13,676 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:13,676 INFO L93 Difference]: Finished difference Result 58 states and 78 transitions. [2020-08-19 01:56:13,677 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2020-08-19 01:56:13,677 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 26 [2020-08-19 01:56:13,678 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:13,679 INFO L225 Difference]: With dead ends: 58 [2020-08-19 01:56:13,679 INFO L226 Difference]: Without dead ends: 34 [2020-08-19 01:56:13,680 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 01:56:13,681 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34 states. [2020-08-19 01:56:13,688 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34 to 32. [2020-08-19 01:56:13,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 32 states. [2020-08-19 01:56:13,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 32 states and 39 transitions. [2020-08-19 01:56:13,691 INFO L78 Accepts]: Start accepts. Automaton has 32 states and 39 transitions. Word has length 26 [2020-08-19 01:56:13,691 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:13,691 INFO L479 AbstractCegarLoop]: Abstraction has 32 states and 39 transitions. [2020-08-19 01:56:13,691 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 01:56:13,692 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 39 transitions. [2020-08-19 01:56:13,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2020-08-19 01:56:13,693 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:13,693 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 01:56:13,694 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2020-08-19 01:56:13,694 INFO L427 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:13,694 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:13,695 INFO L82 PathProgramCache]: Analyzing trace with hash 746633022, now seen corresponding path program 1 times [2020-08-19 01:56:13,695 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:13,695 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1328883097] [2020-08-19 01:56:13,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:13,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:13,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:13,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:13,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:13,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:13,795 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 01:56:13,796 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1328883097] [2020-08-19 01:56:13,796 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:13,796 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [7] total 7 [2020-08-19 01:56:13,797 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [890469452] [2020-08-19 01:56:13,797 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2020-08-19 01:56:13,798 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:13,798 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2020-08-19 01:56:13,798 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2020-08-19 01:56:13,799 INFO L87 Difference]: Start difference. First operand 32 states and 39 transitions. Second operand 7 states. [2020-08-19 01:56:13,994 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:13,995 INFO L93 Difference]: Finished difference Result 54 states and 74 transitions. [2020-08-19 01:56:13,995 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 01:56:13,996 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 27 [2020-08-19 01:56:13,996 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:13,999 INFO L225 Difference]: With dead ends: 54 [2020-08-19 01:56:13,999 INFO L226 Difference]: Without dead ends: 50 [2020-08-19 01:56:14,000 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 01:56:14,001 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 50 states. [2020-08-19 01:56:14,011 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 50 to 48. [2020-08-19 01:56:14,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 48 states. [2020-08-19 01:56:14,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 48 states and 65 transitions. [2020-08-19 01:56:14,013 INFO L78 Accepts]: Start accepts. Automaton has 48 states and 65 transitions. Word has length 27 [2020-08-19 01:56:14,013 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:14,013 INFO L479 AbstractCegarLoop]: Abstraction has 48 states and 65 transitions. [2020-08-19 01:56:14,014 INFO L480 AbstractCegarLoop]: Interpolant automaton has 7 states. [2020-08-19 01:56:14,014 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 65 transitions. [2020-08-19 01:56:14,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2020-08-19 01:56:14,016 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:14,016 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 01:56:14,016 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2020-08-19 01:56:14,016 INFO L427 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:14,017 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:14,017 INFO L82 PathProgramCache]: Analyzing trace with hash 986908919, now seen corresponding path program 1 times [2020-08-19 01:56:14,017 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:14,017 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [925537669] [2020-08-19 01:56:14,018 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:14,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:14,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:14,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:14,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:14,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 9 [2020-08-19 01:56:14,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,106 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 22 [2020-08-19 01:56:14,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,112 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 01:56:14,113 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [925537669] [2020-08-19 01:56:14,113 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:14,113 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6] total 6 [2020-08-19 01:56:14,113 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [433089130] [2020-08-19 01:56:14,114 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2020-08-19 01:56:14,114 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:14,114 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2020-08-19 01:56:14,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2020-08-19 01:56:14,115 INFO L87 Difference]: Start difference. First operand 48 states and 65 transitions. Second operand 6 states. [2020-08-19 01:56:14,186 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:14,187 INFO L93 Difference]: Finished difference Result 94 states and 142 transitions. [2020-08-19 01:56:14,187 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2020-08-19 01:56:14,187 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 39 [2020-08-19 01:56:14,188 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:14,189 INFO L225 Difference]: With dead ends: 94 [2020-08-19 01:56:14,189 INFO L226 Difference]: Without dead ends: 52 [2020-08-19 01:56:14,191 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 01:56:14,191 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 52 states. [2020-08-19 01:56:14,200 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 52 to 52. [2020-08-19 01:56:14,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 52 states. [2020-08-19 01:56:14,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 52 states and 71 transitions. [2020-08-19 01:56:14,203 INFO L78 Accepts]: Start accepts. Automaton has 52 states and 71 transitions. Word has length 39 [2020-08-19 01:56:14,203 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:14,203 INFO L479 AbstractCegarLoop]: Abstraction has 52 states and 71 transitions. [2020-08-19 01:56:14,203 INFO L480 AbstractCegarLoop]: Interpolant automaton has 6 states. [2020-08-19 01:56:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 71 transitions. [2020-08-19 01:56:14,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 41 [2020-08-19 01:56:14,205 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:14,206 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 01:56:14,206 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2020-08-19 01:56:14,206 INFO L427 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:14,206 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:14,207 INFO L82 PathProgramCache]: Analyzing trace with hash -2100495745, now seen corresponding path program 1 times [2020-08-19 01:56:14,207 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:14,207 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1391674748] [2020-08-19 01:56:14,207 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:14,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:14,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:14,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,276 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:14,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:14,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:14,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:14,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,345 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 01:56:14,346 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1391674748] [2020-08-19 01:56:14,346 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:14,346 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 01:56:14,347 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026582377] [2020-08-19 01:56:14,347 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:56:14,347 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:14,348 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:56:14,348 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:56:14,348 INFO L87 Difference]: Start difference. First operand 52 states and 71 transitions. Second operand 8 states. [2020-08-19 01:56:14,458 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:14,459 INFO L93 Difference]: Finished difference Result 103 states and 158 transitions. [2020-08-19 01:56:14,459 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2020-08-19 01:56:14,459 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 40 [2020-08-19 01:56:14,460 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:14,461 INFO L225 Difference]: With dead ends: 103 [2020-08-19 01:56:14,462 INFO L226 Difference]: Without dead ends: 57 [2020-08-19 01:56:14,463 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 22 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=23, Invalid=67, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:56:14,463 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 57 states. [2020-08-19 01:56:14,472 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 57 to 54. [2020-08-19 01:56:14,472 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 54 states. [2020-08-19 01:56:14,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 54 states and 74 transitions. [2020-08-19 01:56:14,474 INFO L78 Accepts]: Start accepts. Automaton has 54 states and 74 transitions. Word has length 40 [2020-08-19 01:56:14,474 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:14,474 INFO L479 AbstractCegarLoop]: Abstraction has 54 states and 74 transitions. [2020-08-19 01:56:14,474 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:56:14,474 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 74 transitions. [2020-08-19 01:56:14,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2020-08-19 01:56:14,477 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:14,477 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 01:56:14,477 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2020-08-19 01:56:14,477 INFO L427 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:14,478 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:14,478 INFO L82 PathProgramCache]: Analyzing trace with hash 208191613, now seen corresponding path program 1 times [2020-08-19 01:56:14,478 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:14,478 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [506831365] [2020-08-19 01:56:14,479 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:14,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:14,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:14,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,545 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:14,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,578 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:14,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,593 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:14,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,597 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:14,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,606 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 01:56:14,607 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [506831365] [2020-08-19 01:56:14,607 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:14,607 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 01:56:14,608 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [326584717] [2020-08-19 01:56:14,608 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:56:14,608 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:14,609 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:56:14,609 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:56:14,609 INFO L87 Difference]: Start difference. First operand 54 states and 74 transitions. Second operand 8 states. [2020-08-19 01:56:14,825 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:14,825 INFO L93 Difference]: Finished difference Result 86 states and 126 transitions. [2020-08-19 01:56:14,826 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2020-08-19 01:56:14,826 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 41 [2020-08-19 01:56:14,827 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:14,829 INFO L225 Difference]: With dead ends: 86 [2020-08-19 01:56:14,829 INFO L226 Difference]: Without dead ends: 82 [2020-08-19 01:56:14,830 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 01:56:14,831 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 82 states. [2020-08-19 01:56:14,862 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 82 to 79. [2020-08-19 01:56:14,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 79 states. [2020-08-19 01:56:14,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 79 states and 118 transitions. [2020-08-19 01:56:14,867 INFO L78 Accepts]: Start accepts. Automaton has 79 states and 118 transitions. Word has length 41 [2020-08-19 01:56:14,869 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:14,869 INFO L479 AbstractCegarLoop]: Abstraction has 79 states and 118 transitions. [2020-08-19 01:56:14,869 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:56:14,869 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 118 transitions. [2020-08-19 01:56:14,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 55 [2020-08-19 01:56:14,878 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:14,878 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 01:56:14,878 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2020-08-19 01:56:14,881 INFO L427 AbstractCegarLoop]: === Iteration 8 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:14,881 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:14,882 INFO L82 PathProgramCache]: Analyzing trace with hash -405677468, now seen corresponding path program 1 times [2020-08-19 01:56:14,882 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:14,882 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1865620820] [2020-08-19 01:56:14,883 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:14,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,926 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:14,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:14,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:14,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:14,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,000 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:15,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,005 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:15,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:15,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 36 [2020-08-19 01:56:15,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,034 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 01:56:15,035 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1865620820] [2020-08-19 01:56:15,035 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:15,036 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [8] total 8 [2020-08-19 01:56:15,036 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1064068004] [2020-08-19 01:56:15,036 INFO L459 AbstractCegarLoop]: Interpolant automaton has 8 states [2020-08-19 01:56:15,037 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:15,037 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2020-08-19 01:56:15,037 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=42, Unknown=0, NotChecked=0, Total=56 [2020-08-19 01:56:15,037 INFO L87 Difference]: Start difference. First operand 79 states and 118 transitions. Second operand 8 states. [2020-08-19 01:56:15,157 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:15,157 INFO L93 Difference]: Finished difference Result 167 states and 288 transitions. [2020-08-19 01:56:15,158 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 9 states. [2020-08-19 01:56:15,158 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 54 [2020-08-19 01:56:15,158 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:15,160 INFO L225 Difference]: With dead ends: 167 [2020-08-19 01:56:15,160 INFO L226 Difference]: Without dead ends: 94 [2020-08-19 01:56:15,161 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 01:56:15,162 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 94 states. [2020-08-19 01:56:15,175 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 94 to 88. [2020-08-19 01:56:15,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 88 states. [2020-08-19 01:56:15,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 88 states and 134 transitions. [2020-08-19 01:56:15,178 INFO L78 Accepts]: Start accepts. Automaton has 88 states and 134 transitions. Word has length 54 [2020-08-19 01:56:15,178 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:15,178 INFO L479 AbstractCegarLoop]: Abstraction has 88 states and 134 transitions. [2020-08-19 01:56:15,178 INFO L480 AbstractCegarLoop]: Interpolant automaton has 8 states. [2020-08-19 01:56:15,178 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 134 transitions. [2020-08-19 01:56:15,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2020-08-19 01:56:15,181 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:15,181 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 01:56:15,181 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2020-08-19 01:56:15,181 INFO L427 AbstractCegarLoop]: === Iteration 9 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:15,182 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:15,182 INFO L82 PathProgramCache]: Analyzing trace with hash -242988780, now seen corresponding path program 1 times [2020-08-19 01:56:15,182 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:15,182 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1571323271] [2020-08-19 01:56:15,182 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:15,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,205 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:15,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:15,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:15,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,264 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:15,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:15,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,324 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:15,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,329 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:15,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:15,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,359 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 01:56:15,360 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1571323271] [2020-08-19 01:56:15,360 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:15,361 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 01:56:15,363 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1316860285] [2020-08-19 01:56:15,364 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 01:56:15,364 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:15,364 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 01:56:15,364 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:56:15,365 INFO L87 Difference]: Start difference. First operand 88 states and 134 transitions. Second operand 10 states. [2020-08-19 01:56:15,609 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:15,609 INFO L93 Difference]: Finished difference Result 188 states and 331 transitions. [2020-08-19 01:56:15,610 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2020-08-19 01:56:15,610 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 55 [2020-08-19 01:56:15,610 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:15,613 INFO L225 Difference]: With dead ends: 188 [2020-08-19 01:56:15,613 INFO L226 Difference]: Without dead ends: 109 [2020-08-19 01:56:15,614 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 01:56:15,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 109 states. [2020-08-19 01:56:15,644 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 109 to 100. [2020-08-19 01:56:15,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 100 states. [2020-08-19 01:56:15,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 100 states and 158 transitions. [2020-08-19 01:56:15,650 INFO L78 Accepts]: Start accepts. Automaton has 100 states and 158 transitions. Word has length 55 [2020-08-19 01:56:15,650 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:15,651 INFO L479 AbstractCegarLoop]: Abstraction has 100 states and 158 transitions. [2020-08-19 01:56:15,651 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 01:56:15,651 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 158 transitions. [2020-08-19 01:56:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2020-08-19 01:56:15,655 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:15,656 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 01:56:15,656 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2020-08-19 01:56:15,656 INFO L427 AbstractCegarLoop]: === Iteration 10 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:15,656 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:15,657 INFO L82 PathProgramCache]: Analyzing trace with hash -908952008, now seen corresponding path program 2 times [2020-08-19 01:56:15,657 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:15,657 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1527497854] [2020-08-19 01:56:15,657 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:15,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:15,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:15,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:15,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:15,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:15,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:15,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:15,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:15,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,876 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:15,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:15,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,882 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:15,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:15,895 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 01:56:15,896 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1527497854] [2020-08-19 01:56:15,896 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:15,896 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 01:56:15,897 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2048817649] [2020-08-19 01:56:15,897 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 01:56:15,898 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:15,898 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 01:56:15,898 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=23, Invalid=109, Unknown=0, NotChecked=0, Total=132 [2020-08-19 01:56:15,898 INFO L87 Difference]: Start difference. First operand 100 states and 158 transitions. Second operand 12 states. [2020-08-19 01:56:16,274 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:16,274 INFO L93 Difference]: Finished difference Result 199 states and 354 transitions. [2020-08-19 01:56:16,274 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 19 states. [2020-08-19 01:56:16,274 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 82 [2020-08-19 01:56:16,275 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:16,278 INFO L225 Difference]: With dead ends: 199 [2020-08-19 01:56:16,279 INFO L226 Difference]: Without dead ends: 86 [2020-08-19 01:56:16,280 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 01:56:16,280 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 86 states. [2020-08-19 01:56:16,286 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 86 to 71. [2020-08-19 01:56:16,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 71 states. [2020-08-19 01:56:16,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 71 states and 93 transitions. [2020-08-19 01:56:16,288 INFO L78 Accepts]: Start accepts. Automaton has 71 states and 93 transitions. Word has length 82 [2020-08-19 01:56:16,288 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:16,288 INFO L479 AbstractCegarLoop]: Abstraction has 71 states and 93 transitions. [2020-08-19 01:56:16,288 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 01:56:16,288 INFO L276 IsEmpty]: Start isEmpty. Operand 71 states and 93 transitions. [2020-08-19 01:56:16,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2020-08-19 01:56:16,290 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:16,290 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 01:56:16,290 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2020-08-19 01:56:16,290 INFO L427 AbstractCegarLoop]: === Iteration 11 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:16,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:16,291 INFO L82 PathProgramCache]: Analyzing trace with hash -2119203654, now seen corresponding path program 2 times [2020-08-19 01:56:16,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:16,291 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [584986483] [2020-08-19 01:56:16,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:16,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:16,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:16,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:16,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,448 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:16,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:16,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 51 [2020-08-19 01:56:16,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,494 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:16,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,495 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:16,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:16,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,520 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 01:56:16,520 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [584986483] [2020-08-19 01:56:16,520 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:16,520 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [10] total 10 [2020-08-19 01:56:16,521 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [663594669] [2020-08-19 01:56:16,521 INFO L459 AbstractCegarLoop]: Interpolant automaton has 10 states [2020-08-19 01:56:16,522 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:16,522 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2020-08-19 01:56:16,522 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=72, Unknown=0, NotChecked=0, Total=90 [2020-08-19 01:56:16,522 INFO L87 Difference]: Start difference. First operand 71 states and 93 transitions. Second operand 10 states. [2020-08-19 01:56:16,720 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:16,720 INFO L93 Difference]: Finished difference Result 142 states and 204 transitions. [2020-08-19 01:56:16,721 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2020-08-19 01:56:16,721 INFO L78 Accepts]: Start accepts. Automaton has 10 states. Word has length 110 [2020-08-19 01:56:16,722 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:16,723 INFO L225 Difference]: With dead ends: 142 [2020-08-19 01:56:16,723 INFO L226 Difference]: Without dead ends: 78 [2020-08-19 01:56:16,724 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 01:56:16,725 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 78 states. [2020-08-19 01:56:16,738 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 78 to 78. [2020-08-19 01:56:16,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 78 states. [2020-08-19 01:56:16,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 78 states to 78 states and 100 transitions. [2020-08-19 01:56:16,740 INFO L78 Accepts]: Start accepts. Automaton has 78 states and 100 transitions. Word has length 110 [2020-08-19 01:56:16,740 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:16,740 INFO L479 AbstractCegarLoop]: Abstraction has 78 states and 100 transitions. [2020-08-19 01:56:16,742 INFO L480 AbstractCegarLoop]: Interpolant automaton has 10 states. [2020-08-19 01:56:16,742 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 100 transitions. [2020-08-19 01:56:16,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2020-08-19 01:56:16,748 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:16,748 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 01:56:16,749 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2020-08-19 01:56:16,749 INFO L427 AbstractCegarLoop]: === Iteration 12 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:16,749 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:16,749 INFO L82 PathProgramCache]: Analyzing trace with hash -1263382818, now seen corresponding path program 3 times [2020-08-19 01:56:16,750 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:16,750 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [675319102] [2020-08-19 01:56:16,750 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:16,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:16,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:16,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,950 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:16,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:16,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:17,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:17,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:17,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,049 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:17,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-19 01:56:17,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,097 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:17,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 01:56:17,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,181 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,208 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:17,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:17,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:17,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:17,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,242 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 24 [2020-08-19 01:56:17,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,247 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:17,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,330 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 01:56:17,330 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [675319102] [2020-08-19 01:56:17,331 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:17,331 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [15] total 15 [2020-08-19 01:56:17,331 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1951028412] [2020-08-19 01:56:17,332 INFO L459 AbstractCegarLoop]: Interpolant automaton has 15 states [2020-08-19 01:56:17,332 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:17,332 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 15 interpolants. [2020-08-19 01:56:17,332 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=32, Invalid=178, Unknown=0, NotChecked=0, Total=210 [2020-08-19 01:56:17,333 INFO L87 Difference]: Start difference. First operand 78 states and 100 transitions. Second operand 15 states. [2020-08-19 01:56:17,869 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:17,869 INFO L93 Difference]: Finished difference Result 184 states and 282 transitions. [2020-08-19 01:56:17,870 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 26 states. [2020-08-19 01:56:17,870 INFO L78 Accepts]: Start accepts. Automaton has 15 states. Word has length 192 [2020-08-19 01:56:17,870 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:17,872 INFO L225 Difference]: With dead ends: 184 [2020-08-19 01:56:17,872 INFO L226 Difference]: Without dead ends: 111 [2020-08-19 01:56:17,874 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 01:56:17,874 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 111 states. [2020-08-19 01:56:17,881 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 111 to 99. [2020-08-19 01:56:17,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 99 states. [2020-08-19 01:56:17,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 99 states and 133 transitions. [2020-08-19 01:56:17,882 INFO L78 Accepts]: Start accepts. Automaton has 99 states and 133 transitions. Word has length 192 [2020-08-19 01:56:17,883 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:17,883 INFO L479 AbstractCegarLoop]: Abstraction has 99 states and 133 transitions. [2020-08-19 01:56:17,883 INFO L480 AbstractCegarLoop]: Interpolant automaton has 15 states. [2020-08-19 01:56:17,883 INFO L276 IsEmpty]: Start isEmpty. Operand 99 states and 133 transitions. [2020-08-19 01:56:17,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2020-08-19 01:56:17,885 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:17,885 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 01:56:17,886 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2020-08-19 01:56:17,886 INFO L427 AbstractCegarLoop]: === Iteration 13 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:17,886 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:17,886 INFO L82 PathProgramCache]: Analyzing trace with hash -2102107778, now seen corresponding path program 1 times [2020-08-19 01:56:17,886 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:17,887 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [278191570] [2020-08-19 01:56:17,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:17,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:17,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:17,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,967 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,991 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:17,998 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:17,999 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,001 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:18,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:18,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,007 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:18,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,048 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:18,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:18,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,084 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:18,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 91 [2020-08-19 01:56:18,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,098 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,101 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:18,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,104 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:18,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,133 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 01:56:18,134 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [278191570] [2020-08-19 01:56:18,134 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:18,135 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 01:56:18,135 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1965824255] [2020-08-19 01:56:18,135 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 01:56:18,136 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:18,136 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 01:56:18,136 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-19 01:56:18,137 INFO L87 Difference]: Start difference. First operand 99 states and 133 transitions. Second operand 11 states. [2020-08-19 01:56:18,417 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:18,417 INFO L93 Difference]: Finished difference Result 188 states and 266 transitions. [2020-08-19 01:56:18,418 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 15 states. [2020-08-19 01:56:18,418 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 136 [2020-08-19 01:56:18,419 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:18,420 INFO L225 Difference]: With dead ends: 188 [2020-08-19 01:56:18,420 INFO L226 Difference]: Without dead ends: 101 [2020-08-19 01:56:18,422 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 01:56:18,422 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 101 states. [2020-08-19 01:56:18,428 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 101 to 98. [2020-08-19 01:56:18,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 98 states. [2020-08-19 01:56:18,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 98 states and 130 transitions. [2020-08-19 01:56:18,430 INFO L78 Accepts]: Start accepts. Automaton has 98 states and 130 transitions. Word has length 136 [2020-08-19 01:56:18,431 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:18,431 INFO L479 AbstractCegarLoop]: Abstraction has 98 states and 130 transitions. [2020-08-19 01:56:18,431 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 01:56:18,431 INFO L276 IsEmpty]: Start isEmpty. Operand 98 states and 130 transitions. [2020-08-19 01:56:18,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-19 01:56:18,434 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:18,434 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 01:56:18,434 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2020-08-19 01:56:18,434 INFO L427 AbstractCegarLoop]: === Iteration 14 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:18,435 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:18,435 INFO L82 PathProgramCache]: Analyzing trace with hash 677703633, now seen corresponding path program 2 times [2020-08-19 01:56:18,435 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:18,435 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [4902947] [2020-08-19 01:56:18,435 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:18,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,475 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:18,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,477 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:18,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,546 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,570 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,592 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,594 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:18,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,622 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:18,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:18,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,629 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:18,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:18,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,677 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:18,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:18,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:18,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:18,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 132 [2020-08-19 01:56:18,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,763 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:18,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:18,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:18,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:18,834 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 01:56:18,836 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [4902947] [2020-08-19 01:56:18,836 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:18,836 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 01:56:18,837 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [39741545] [2020-08-19 01:56:18,837 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 01:56:18,837 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:18,838 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 01:56:18,838 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 01:56:18,838 INFO L87 Difference]: Start difference. First operand 98 states and 130 transitions. Second operand 14 states. [2020-08-19 01:56:19,450 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:19,451 INFO L93 Difference]: Finished difference Result 224 states and 343 transitions. [2020-08-19 01:56:19,451 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 01:56:19,452 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 177 [2020-08-19 01:56:19,452 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:19,454 INFO L225 Difference]: With dead ends: 224 [2020-08-19 01:56:19,454 INFO L226 Difference]: Without dead ends: 131 [2020-08-19 01:56:19,456 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 80 GetRequests, 54 SyntacticMatches, 0 SemanticMatches, 26 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 116 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=131, Invalid=625, Unknown=0, NotChecked=0, Total=756 [2020-08-19 01:56:19,456 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 131 states. [2020-08-19 01:56:19,463 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 131 to 114. [2020-08-19 01:56:19,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 114 states. [2020-08-19 01:56:19,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 114 states to 114 states and 154 transitions. [2020-08-19 01:56:19,465 INFO L78 Accepts]: Start accepts. Automaton has 114 states and 154 transitions. Word has length 177 [2020-08-19 01:56:19,466 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:19,466 INFO L479 AbstractCegarLoop]: Abstraction has 114 states and 154 transitions. [2020-08-19 01:56:19,466 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 01:56:19,466 INFO L276 IsEmpty]: Start isEmpty. Operand 114 states and 154 transitions. [2020-08-19 01:56:19,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2020-08-19 01:56:19,469 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:19,469 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 01:56:19,469 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2020-08-19 01:56:19,470 INFO L427 AbstractCegarLoop]: === Iteration 15 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:19,470 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:19,470 INFO L82 PathProgramCache]: Analyzing trace with hash 307857833, now seen corresponding path program 3 times [2020-08-19 01:56:19,470 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:19,471 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [509352033] [2020-08-19 01:56:19,471 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:19,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,513 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:19,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,515 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:19,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,569 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,626 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,672 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:19,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:19,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:19,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,684 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:19,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,689 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:19,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:19,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:19,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:19,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:19,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:19,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:19,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:19,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:19,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:19,813 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 01:56:19,814 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [509352033] [2020-08-19 01:56:19,814 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:19,814 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 01:56:19,814 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [568506795] [2020-08-19 01:56:19,815 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 01:56:19,815 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:19,815 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 01:56:19,816 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=25, Invalid=85, Unknown=0, NotChecked=0, Total=110 [2020-08-19 01:56:19,816 INFO L87 Difference]: Start difference. First operand 114 states and 154 transitions. Second operand 11 states. [2020-08-19 01:56:20,140 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:20,140 INFO L93 Difference]: Finished difference Result 244 states and 371 transitions. [2020-08-19 01:56:20,141 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 16 states. [2020-08-19 01:56:20,141 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 177 [2020-08-19 01:56:20,142 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:20,145 INFO L225 Difference]: With dead ends: 244 [2020-08-19 01:56:20,146 INFO L226 Difference]: Without dead ends: 240 [2020-08-19 01:56:20,148 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 01:56:20,149 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 240 states. [2020-08-19 01:56:20,165 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 240 to 220. [2020-08-19 01:56:20,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 220 states. [2020-08-19 01:56:20,169 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 220 states and 331 transitions. [2020-08-19 01:56:20,169 INFO L78 Accepts]: Start accepts. Automaton has 220 states and 331 transitions. Word has length 177 [2020-08-19 01:56:20,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:20,170 INFO L479 AbstractCegarLoop]: Abstraction has 220 states and 331 transitions. [2020-08-19 01:56:20,170 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 01:56:20,170 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 331 transitions. [2020-08-19 01:56:20,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2020-08-19 01:56:20,175 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:20,175 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 01:56:20,176 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2020-08-19 01:56:20,176 INFO L427 AbstractCegarLoop]: === Iteration 16 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:20,176 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:20,176 INFO L82 PathProgramCache]: Analyzing trace with hash 1318955698, now seen corresponding path program 4 times [2020-08-19 01:56:20,177 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:20,177 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [347315257] [2020-08-19 01:56:20,178 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:20,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:20,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:20,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,440 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,522 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,526 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,529 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:20,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,531 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:20,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,534 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:20,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,580 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,583 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:20,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,590 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:20,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:20,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,641 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 01:56:20,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,661 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:20,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,670 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:20,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 133 [2020-08-19 01:56:20,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:20,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:20,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:20,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:20,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:20,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:20,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 92 [2020-08-19 01:56:20,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,818 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:20,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,821 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:20,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:20,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:20,932 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 01:56:20,932 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [347315257] [2020-08-19 01:56:20,934 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:20,935 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [11] total 11 [2020-08-19 01:56:20,935 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1055321168] [2020-08-19 01:56:20,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 11 states [2020-08-19 01:56:20,935 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:20,936 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 11 interpolants. [2020-08-19 01:56:20,936 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=90, Unknown=0, NotChecked=0, Total=110 [2020-08-19 01:56:20,936 INFO L87 Difference]: Start difference. First operand 220 states and 331 transitions. Second operand 11 states. [2020-08-19 01:56:21,203 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:21,203 INFO L93 Difference]: Finished difference Result 429 states and 677 transitions. [2020-08-19 01:56:21,204 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2020-08-19 01:56:21,204 INFO L78 Accepts]: Start accepts. Automaton has 11 states. Word has length 274 [2020-08-19 01:56:21,204 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:21,208 INFO L225 Difference]: With dead ends: 429 [2020-08-19 01:56:21,208 INFO L226 Difference]: Without dead ends: 225 [2020-08-19 01:56:21,211 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 01:56:21,212 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2020-08-19 01:56:21,228 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 222. [2020-08-19 01:56:21,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 222 states. [2020-08-19 01:56:21,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 222 states to 222 states and 316 transitions. [2020-08-19 01:56:21,233 INFO L78 Accepts]: Start accepts. Automaton has 222 states and 316 transitions. Word has length 274 [2020-08-19 01:56:21,233 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:21,233 INFO L479 AbstractCegarLoop]: Abstraction has 222 states and 316 transitions. [2020-08-19 01:56:21,233 INFO L480 AbstractCegarLoop]: Interpolant automaton has 11 states. [2020-08-19 01:56:21,234 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 316 transitions. [2020-08-19 01:56:21,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2020-08-19 01:56:21,242 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:21,242 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 01:56:21,243 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2020-08-19 01:56:21,243 INFO L427 AbstractCegarLoop]: === Iteration 17 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:21,243 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:21,243 INFO L82 PathProgramCache]: Analyzing trace with hash -1614185823, now seen corresponding path program 5 times [2020-08-19 01:56:21,243 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:21,244 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [911780753] [2020-08-19 01:56:21,244 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:21,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:21,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,356 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:21,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,575 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:21,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:21,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:21,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:21,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,730 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:21,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:21,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:21,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,757 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:21,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,771 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,776 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,780 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:21,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:21,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:21,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:21,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:21,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,856 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,869 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,872 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:21,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,880 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:21,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:21,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:21,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,903 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:21,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,908 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:21,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:21,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:21,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:22,049 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 01:56:22,050 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [911780753] [2020-08-19 01:56:22,050 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:22,050 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [12] total 12 [2020-08-19 01:56:22,051 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [941207924] [2020-08-19 01:56:22,052 INFO L459 AbstractCegarLoop]: Interpolant automaton has 12 states [2020-08-19 01:56:22,052 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:22,052 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 12 interpolants. [2020-08-19 01:56:22,052 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=30, Invalid=102, Unknown=0, NotChecked=0, Total=132 [2020-08-19 01:56:22,053 INFO L87 Difference]: Start difference. First operand 222 states and 316 transitions. Second operand 12 states. [2020-08-19 01:56:22,462 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:22,462 INFO L93 Difference]: Finished difference Result 469 states and 720 transitions. [2020-08-19 01:56:22,462 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 18 states. [2020-08-19 01:56:22,463 INFO L78 Accepts]: Start accepts. Automaton has 12 states. Word has length 286 [2020-08-19 01:56:22,465 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:22,471 INFO L225 Difference]: With dead ends: 469 [2020-08-19 01:56:22,471 INFO L226 Difference]: Without dead ends: 465 [2020-08-19 01:56:22,473 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 01:56:22,474 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2020-08-19 01:56:22,501 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 445. [2020-08-19 01:56:22,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 445 states. [2020-08-19 01:56:22,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 445 states and 682 transitions. [2020-08-19 01:56:22,506 INFO L78 Accepts]: Start accepts. Automaton has 445 states and 682 transitions. Word has length 286 [2020-08-19 01:56:22,507 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:22,507 INFO L479 AbstractCegarLoop]: Abstraction has 445 states and 682 transitions. [2020-08-19 01:56:22,507 INFO L480 AbstractCegarLoop]: Interpolant automaton has 12 states. [2020-08-19 01:56:22,507 INFO L276 IsEmpty]: Start isEmpty. Operand 445 states and 682 transitions. [2020-08-19 01:56:22,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 369 [2020-08-19 01:56:22,514 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:22,514 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 01:56:22,514 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2020-08-19 01:56:22,514 INFO L427 AbstractCegarLoop]: === Iteration 18 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:22,515 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:22,515 INFO L82 PathProgramCache]: Analyzing trace with hash 1485391483, now seen corresponding path program 6 times [2020-08-19 01:56:22,515 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:22,515 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [972165166] [2020-08-19 01:56:22,515 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:22,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:22,648 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:22,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:22,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:22,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:22,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:22,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:22,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:22,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:22,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:22,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:22,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:22,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:22,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:22,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:22,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:22,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,025 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:23,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,033 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:23,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,044 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:23,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,052 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,057 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,059 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:23,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,088 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,123 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:23,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 146 [2020-08-19 01:56:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,174 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:23,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:23,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,180 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,185 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:23,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,193 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,195 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,197 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:23,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,268 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 255 [2020-08-19 01:56:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,298 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,306 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,309 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,311 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:23,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,314 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:23,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,320 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,326 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,333 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:23,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:23,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:23,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:23,556 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 01:56:23,556 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [972165166] [2020-08-19 01:56:23,557 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:23,557 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 01:56:23,557 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [607435073] [2020-08-19 01:56:23,558 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 01:56:23,558 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:23,558 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 01:56:23,558 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=29, Invalid=153, Unknown=0, NotChecked=0, Total=182 [2020-08-19 01:56:23,559 INFO L87 Difference]: Start difference. First operand 445 states and 682 transitions. Second operand 14 states. [2020-08-19 01:56:24,045 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:24,045 INFO L93 Difference]: Finished difference Result 924 states and 1512 transitions. [2020-08-19 01:56:24,046 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 01:56:24,046 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 368 [2020-08-19 01:56:24,048 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:24,056 INFO L225 Difference]: With dead ends: 924 [2020-08-19 01:56:24,056 INFO L226 Difference]: Without dead ends: 493 [2020-08-19 01:56:24,063 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 134 GetRequests, 111 SyntacticMatches, 0 SemanticMatches, 23 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=96, Invalid=504, Unknown=0, NotChecked=0, Total=600 [2020-08-19 01:56:24,065 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 493 states. [2020-08-19 01:56:24,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 493 to 439. [2020-08-19 01:56:24,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 439 states. [2020-08-19 01:56:24,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 439 states and 658 transitions. [2020-08-19 01:56:24,105 INFO L78 Accepts]: Start accepts. Automaton has 439 states and 658 transitions. Word has length 368 [2020-08-19 01:56:24,106 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:24,106 INFO L479 AbstractCegarLoop]: Abstraction has 439 states and 658 transitions. [2020-08-19 01:56:24,106 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 01:56:24,106 INFO L276 IsEmpty]: Start isEmpty. Operand 439 states and 658 transitions. [2020-08-19 01:56:24,115 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 437 [2020-08-19 01:56:24,115 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:24,116 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 01:56:24,116 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable17 [2020-08-19 01:56:24,116 INFO L427 AbstractCegarLoop]: === Iteration 19 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:24,116 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:24,117 INFO L82 PathProgramCache]: Analyzing trace with hash -1740376526, now seen corresponding path program 7 times [2020-08-19 01:56:24,118 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:24,119 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [718565872] [2020-08-19 01:56:24,119 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:24,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,334 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:24,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:24,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,564 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,647 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,760 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,814 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:24,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:24,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,826 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:24,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:24,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,839 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,843 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:24,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,845 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:24,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:24,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:24,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:24,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:24,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,877 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,879 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:24,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,899 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:24,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,931 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,933 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:24,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:24,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:24,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,947 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:24,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,952 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,954 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:24,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,956 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:24,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:24,958 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:24,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 01:56:25,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,315 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:25,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,318 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:25,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,323 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:25,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,328 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,330 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:25,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:25,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:25,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:25,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:25,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,444 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:25,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,469 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:25,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,473 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:25,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:25,985 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 01:56:25,985 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [718565872] [2020-08-19 01:56:25,986 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:25,986 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [22] total 22 [2020-08-19 01:56:25,987 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2034269002] [2020-08-19 01:56:25,990 INFO L459 AbstractCegarLoop]: Interpolant automaton has 22 states [2020-08-19 01:56:25,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:25,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 22 interpolants. [2020-08-19 01:56:25,991 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=64, Invalid=398, Unknown=0, NotChecked=0, Total=462 [2020-08-19 01:56:25,991 INFO L87 Difference]: Start difference. First operand 439 states and 658 transitions. Second operand 22 states. [2020-08-19 01:56:27,040 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:27,041 INFO L93 Difference]: Finished difference Result 1181 states and 2195 transitions. [2020-08-19 01:56:27,041 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 37 states. [2020-08-19 01:56:27,041 INFO L78 Accepts]: Start accepts. Automaton has 22 states. Word has length 436 [2020-08-19 01:56:27,042 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:27,053 INFO L225 Difference]: With dead ends: 1181 [2020-08-19 01:56:27,054 INFO L226 Difference]: Without dead ends: 756 [2020-08-19 01:56:27,059 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 169 GetRequests, 130 SyntacticMatches, 0 SemanticMatches, 39 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 321 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=232, Invalid=1408, Unknown=0, NotChecked=0, Total=1640 [2020-08-19 01:56:27,060 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 756 states. [2020-08-19 01:56:27,114 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 756 to 676. [2020-08-19 01:56:27,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 676 states. [2020-08-19 01:56:27,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 676 states and 1086 transitions. [2020-08-19 01:56:27,122 INFO L78 Accepts]: Start accepts. Automaton has 676 states and 1086 transitions. Word has length 436 [2020-08-19 01:56:27,123 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:27,123 INFO L479 AbstractCegarLoop]: Abstraction has 676 states and 1086 transitions. [2020-08-19 01:56:27,124 INFO L480 AbstractCegarLoop]: Interpolant automaton has 22 states. [2020-08-19 01:56:27,124 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 1086 transitions. [2020-08-19 01:56:27,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 464 [2020-08-19 01:56:27,135 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:27,135 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 01:56:27,135 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2020-08-19 01:56:27,135 INFO L427 AbstractCegarLoop]: === Iteration 20 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:27,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:27,136 INFO L82 PathProgramCache]: Analyzing trace with hash 1326629730, now seen corresponding path program 8 times [2020-08-19 01:56:27,136 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:27,136 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [18237865] [2020-08-19 01:56:27,136 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:27,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,290 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:27,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:27,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,492 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,573 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,629 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:27,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,726 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:27,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:27,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,735 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:27,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:27,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:27,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,751 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:27,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,761 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:27,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,773 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,779 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,780 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:27,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:27,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:27,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:27,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,846 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,849 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,850 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:27,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:27,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,854 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:27,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,857 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,859 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:27,860 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,863 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:27,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:27,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:27,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 01:56:27,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,965 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,967 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,983 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,986 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:27,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:27,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:28,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,008 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:28,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:28,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:28,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:28,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,020 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:28,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:28,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,027 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:28,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,029 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:28,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,034 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:28,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,046 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:28,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:28,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:28,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,063 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:28,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:28,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:28,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:28,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,074 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:28,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,076 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:28,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:28,577 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 01:56:28,578 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [18237865] [2020-08-19 01:56:28,578 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:28,579 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [13] total 13 [2020-08-19 01:56:28,579 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [128714868] [2020-08-19 01:56:28,580 INFO L459 AbstractCegarLoop]: Interpolant automaton has 13 states [2020-08-19 01:56:28,580 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:28,581 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 13 interpolants. [2020-08-19 01:56:28,581 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=35, Invalid=121, Unknown=0, NotChecked=0, Total=156 [2020-08-19 01:56:28,581 INFO L87 Difference]: Start difference. First operand 676 states and 1086 transitions. Second operand 13 states. [2020-08-19 01:56:29,022 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:29,022 INFO L93 Difference]: Finished difference Result 1328 states and 2231 transitions. [2020-08-19 01:56:29,022 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 20 states. [2020-08-19 01:56:29,023 INFO L78 Accepts]: Start accepts. Automaton has 13 states. Word has length 463 [2020-08-19 01:56:29,024 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:29,045 INFO L225 Difference]: With dead ends: 1328 [2020-08-19 01:56:29,045 INFO L226 Difference]: Without dead ends: 1324 [2020-08-19 01:56:29,048 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 01:56:29,050 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1324 states. [2020-08-19 01:56:29,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1324 to 1304. [2020-08-19 01:56:29,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1304 states. [2020-08-19 01:56:29,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1304 states and 2185 transitions. [2020-08-19 01:56:29,172 INFO L78 Accepts]: Start accepts. Automaton has 1304 states and 2185 transitions. Word has length 463 [2020-08-19 01:56:29,174 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:29,174 INFO L479 AbstractCegarLoop]: Abstraction has 1304 states and 2185 transitions. [2020-08-19 01:56:29,174 INFO L480 AbstractCegarLoop]: Interpolant automaton has 13 states. [2020-08-19 01:56:29,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 2185 transitions. [2020-08-19 01:56:29,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1377 [2020-08-19 01:56:29,203 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:29,204 INFO L422 BasicCegarLoop]: trace histogram [102, 102, 99, 99, 82, 81, 51, 51, 51, 51, 51, 51, 51, 49, 49, 49, 49, 49, 49, 49, 33, 30, 20, 18, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:56:29,204 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2020-08-19 01:56:29,204 INFO L427 AbstractCegarLoop]: === Iteration 21 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:29,204 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:29,205 INFO L82 PathProgramCache]: Analyzing trace with hash 1269461951, now seen corresponding path program 9 times [2020-08-19 01:56:29,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:29,205 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [2116807586] [2020-08-19 01:56:29,205 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:29,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:30,481 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:30,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:30,483 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:30,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,004 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,297 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:31,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,426 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:31,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,431 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:31,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,442 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,447 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:31,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:31,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,533 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,555 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,606 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,608 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:31,609 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,615 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:31,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,619 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,625 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:31,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,632 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,635 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:31,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-19 01:56:31,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:31,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:31,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:31,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:31,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,875 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 323 [2020-08-19 01:56:31,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,944 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,982 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,988 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,992 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,995 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,996 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:31,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,997 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:31,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:31,999 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:32,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,001 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,003 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:32,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,006 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:32,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,011 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,013 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,015 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:32,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,017 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:32,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,024 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:32,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,035 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,042 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,047 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,050 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,051 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:32,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,053 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,055 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:32,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,058 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:32,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,065 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:32,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,073 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:32,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,077 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:32,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-19 01:56:32,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,127 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,134 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:32,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:32,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,139 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:32,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,143 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:32,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:32,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:32,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:32,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,503 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 650 [2020-08-19 01:56:32,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,842 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:32,971 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:32,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,009 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,040 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,067 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,114 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,118 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,121 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:33,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,125 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,131 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:33,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,141 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,142 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:33,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,160 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,163 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,165 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,167 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:33,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:33,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,216 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,222 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:33,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:33,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,233 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,236 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,239 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,294 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 01:56:33,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,327 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,355 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,377 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,398 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,399 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,417 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,419 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,422 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:33,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,430 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:33,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,449 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,451 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,453 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,611 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 01:56:33,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,662 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:33,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,728 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:33,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:33,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,758 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:33,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,762 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,767 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,768 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 214 [2020-08-19 01:56:33,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,820 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:33,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,823 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:33,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,831 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,833 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:33,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:33,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:33,836 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:33,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:35,557 INFO L134 CoverageAnalysis]: Checked inductivity of 56373 backedges. 4504 proven. 7480 refuted. 0 times theorem prover too weak. 44389 trivial. 0 not checked. [2020-08-19 01:56:35,558 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [2116807586] [2020-08-19 01:56:35,558 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:35,558 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [29] total 29 [2020-08-19 01:56:35,559 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [593329511] [2020-08-19 01:56:35,560 INFO L459 AbstractCegarLoop]: Interpolant automaton has 29 states [2020-08-19 01:56:35,560 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:35,561 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 29 interpolants. [2020-08-19 01:56:35,561 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=97, Invalid=715, Unknown=0, NotChecked=0, Total=812 [2020-08-19 01:56:35,561 INFO L87 Difference]: Start difference. First operand 1304 states and 2185 transitions. Second operand 29 states. [2020-08-19 01:56:37,213 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:37,214 INFO L93 Difference]: Finished difference Result 2712 states and 4831 transitions. [2020-08-19 01:56:37,214 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 53 states. [2020-08-19 01:56:37,215 INFO L78 Accepts]: Start accepts. Automaton has 29 states. Word has length 1376 [2020-08-19 01:56:37,215 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:37,235 INFO L225 Difference]: With dead ends: 2712 [2020-08-19 01:56:37,236 INFO L226 Difference]: Without dead ends: 1422 [2020-08-19 01:56:37,251 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 471 GetRequests, 410 SyntacticMatches, 0 SemanticMatches, 61 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1083 ImplicationChecksByTransitivity, 0.9s TimeCoverageRelationStatistics Valid=448, Invalid=3458, Unknown=0, NotChecked=0, Total=3906 [2020-08-19 01:56:37,252 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1422 states. [2020-08-19 01:56:37,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1422 to 1254. [2020-08-19 01:56:37,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1254 states. [2020-08-19 01:56:37,390 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1254 states to 1254 states and 1962 transitions. [2020-08-19 01:56:37,392 INFO L78 Accepts]: Start accepts. Automaton has 1254 states and 1962 transitions. Word has length 1376 [2020-08-19 01:56:37,393 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:37,393 INFO L479 AbstractCegarLoop]: Abstraction has 1254 states and 1962 transitions. [2020-08-19 01:56:37,393 INFO L480 AbstractCegarLoop]: Interpolant automaton has 29 states. [2020-08-19 01:56:37,393 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1962 transitions. [2020-08-19 01:56:37,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 641 [2020-08-19 01:56:37,414 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:37,415 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 01:56:37,415 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2020-08-19 01:56:37,415 INFO L427 AbstractCegarLoop]: === Iteration 22 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:37,416 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:37,416 INFO L82 PathProgramCache]: Analyzing trace with hash -1490795651, now seen corresponding path program 10 times [2020-08-19 01:56:37,417 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:37,417 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [1364266006] [2020-08-19 01:56:37,417 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:37,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:37,816 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:37,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:37,817 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:37,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,031 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,244 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,340 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,436 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,439 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:38,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:38,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,450 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,452 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,452 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,458 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:38,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,465 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,468 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,470 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,472 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:38,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,488 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:38,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,499 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,501 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,507 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,509 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,511 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:38,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,514 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:38,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,517 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,518 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,556 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:38,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,585 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,610 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,634 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,655 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,663 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:38,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 241 [2020-08-19 01:56:38,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,778 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,783 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:38,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:38,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,799 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:38,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:38,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,809 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:38,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,811 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:38,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:38,959 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 350 [2020-08-19 01:56:38,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,018 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,023 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,060 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,075 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,079 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,081 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:39,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,083 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:39,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,086 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:39,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,092 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,095 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:39,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,100 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:39,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,105 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,111 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:39,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,113 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:39,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:39,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,135 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,140 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,144 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,146 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:39,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,147 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:39,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:39,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,154 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:39,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:39,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,204 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,217 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,221 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:39,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,227 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:39,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:39,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:39,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,245 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,249 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:39,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:39,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:39,253 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:39,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:40,063 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 01:56:40,066 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [1364266006] [2020-08-19 01:56:40,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:40,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [16] total 16 [2020-08-19 01:56:40,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [319140646] [2020-08-19 01:56:40,068 INFO L459 AbstractCegarLoop]: Interpolant automaton has 16 states [2020-08-19 01:56:40,068 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:40,068 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 16 interpolants. [2020-08-19 01:56:40,068 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=36, Invalid=204, Unknown=0, NotChecked=0, Total=240 [2020-08-19 01:56:40,069 INFO L87 Difference]: Start difference. First operand 1254 states and 1962 transitions. Second operand 16 states. [2020-08-19 01:56:40,954 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:40,956 INFO L93 Difference]: Finished difference Result 2639 states and 4460 transitions. [2020-08-19 01:56:40,957 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 27 states. [2020-08-19 01:56:40,957 INFO L78 Accepts]: Start accepts. Automaton has 16 states. Word has length 640 [2020-08-19 01:56:40,958 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:40,985 INFO L225 Difference]: With dead ends: 2639 [2020-08-19 01:56:40,986 INFO L226 Difference]: Without dead ends: 1399 [2020-08-19 01:56:41,007 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 219 GetRequests, 191 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=132, Invalid=738, Unknown=0, NotChecked=0, Total=870 [2020-08-19 01:56:41,009 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1399 states. [2020-08-19 01:56:41,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1399 to 1328. [2020-08-19 01:56:41,153 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1328 states. [2020-08-19 01:56:41,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1328 states and 2092 transitions. [2020-08-19 01:56:41,169 INFO L78 Accepts]: Start accepts. Automaton has 1328 states and 2092 transitions. Word has length 640 [2020-08-19 01:56:41,170 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:41,170 INFO L479 AbstractCegarLoop]: Abstraction has 1328 states and 2092 transitions. [2020-08-19 01:56:41,171 INFO L480 AbstractCegarLoop]: Interpolant automaton has 16 states. [2020-08-19 01:56:41,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 2092 transitions. [2020-08-19 01:56:41,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-19 01:56:41,193 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:41,194 INFO L422 BasicCegarLoop]: trace histogram [55, 55, 54, 54, 45, 43, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 18, 16, 11, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:56:41,194 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2020-08-19 01:56:41,194 INFO L427 AbstractCegarLoop]: === Iteration 23 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:41,194 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:41,195 INFO L82 PathProgramCache]: Analyzing trace with hash -632077771, now seen corresponding path program 11 times [2020-08-19 01:56:41,195 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:41,196 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [996453233] [2020-08-19 01:56:41,197 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:41,241 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:41,732 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:41,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:41,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:41,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,359 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,602 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,700 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,759 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,787 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,828 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,847 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,865 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:42,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,867 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:42,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,870 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:42,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,873 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,874 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:42,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:42,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,883 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,885 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:42,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,888 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:42,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:42,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,910 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,913 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:42,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:42,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:42,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,918 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,919 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:42,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:42,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,953 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,960 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,964 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,968 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,970 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:42,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,972 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:42,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,974 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:42,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,978 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:42,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,981 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:42,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,985 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,987 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:42,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,989 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:42,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:42,990 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:42,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,037 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 01:56:43,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,109 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,156 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,187 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,283 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,285 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:43,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:43,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,296 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,302 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:43,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,307 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,310 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,312 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,313 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:43,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,321 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:43,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,331 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,335 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,338 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,339 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,341 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:43,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,342 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:43,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,345 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,346 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,365 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:43,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,396 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,397 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:43,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,399 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:43,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,401 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,403 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,406 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:43,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,409 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,412 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,413 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,415 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:43,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,627 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 568 [2020-08-19 01:56:43,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,680 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,697 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:43,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:43,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,708 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:43,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,720 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,722 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:43,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,729 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:43,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,746 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:43,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:43,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:43,756 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:43,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:44,285 INFO L134 CoverageAnalysis]: Checked inductivity of 16365 backedges. 1107 proven. 2741 refuted. 0 times theorem prover too weak. 12517 trivial. 0 not checked. [2020-08-19 01:56:44,285 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [996453233] [2020-08-19 01:56:44,286 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:44,286 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-19 01:56:44,286 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [505848566] [2020-08-19 01:56:44,287 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-19 01:56:44,287 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:44,287 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-19 01:56:44,288 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-19 01:56:44,288 INFO L87 Difference]: Start difference. First operand 1328 states and 2092 transitions. Second operand 20 states. [2020-08-19 01:56:45,600 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:45,600 INFO L93 Difference]: Finished difference Result 1981 states and 3378 transitions. [2020-08-19 01:56:45,601 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 48 states. [2020-08-19 01:56:45,601 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 749 [2020-08-19 01:56:45,602 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:45,611 INFO L225 Difference]: With dead ends: 1981 [2020-08-19 01:56:45,611 INFO L226 Difference]: Without dead ends: 601 [2020-08-19 01:56:45,624 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 271 GetRequests, 222 SyntacticMatches, 0 SemanticMatches, 49 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 637 ImplicationChecksByTransitivity, 0.6s TimeCoverageRelationStatistics Valid=343, Invalid=2207, Unknown=0, NotChecked=0, Total=2550 [2020-08-19 01:56:45,625 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 601 states. [2020-08-19 01:56:45,657 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 601 to 498. [2020-08-19 01:56:45,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 498 states. [2020-08-19 01:56:45,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 498 states and 766 transitions. [2020-08-19 01:56:45,661 INFO L78 Accepts]: Start accepts. Automaton has 498 states and 766 transitions. Word has length 749 [2020-08-19 01:56:45,662 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:45,662 INFO L479 AbstractCegarLoop]: Abstraction has 498 states and 766 transitions. [2020-08-19 01:56:45,662 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-19 01:56:45,662 INFO L276 IsEmpty]: Start isEmpty. Operand 498 states and 766 transitions. [2020-08-19 01:56:45,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 791 [2020-08-19 01:56:45,670 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:45,671 INFO L422 BasicCegarLoop]: trace histogram [58, 58, 57, 57, 47, 46, 29, 29, 29, 29, 29, 29, 29, 28, 28, 28, 28, 28, 28, 28, 18, 18, 12, 10, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:56:45,671 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2020-08-19 01:56:45,671 INFO L427 AbstractCegarLoop]: === Iteration 24 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:45,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:45,672 INFO L82 PathProgramCache]: Analyzing trace with hash 566872508, now seen corresponding path program 12 times [2020-08-19 01:56:45,672 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:45,672 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [139572907] [2020-08-19 01:56:45,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:45,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,069 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:46,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,070 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:46,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,445 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,504 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,547 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,571 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,588 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,603 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,638 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,640 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:46,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:46,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:46,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,654 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,657 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:46,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,667 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:46,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,681 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,682 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,683 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:46,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,685 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:46,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,693 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,712 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:46,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,725 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,734 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,738 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:46,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,740 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:46,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:46,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,750 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,753 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,754 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,755 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:46,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 01:56:46,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,853 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,871 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,890 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:46,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:46,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,915 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,917 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,920 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,925 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,927 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:46,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,928 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:46,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:46,930 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:46,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 391 [2020-08-19 01:56:47,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,080 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,122 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,162 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,166 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,169 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,171 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:47,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,175 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:47,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,178 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,179 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,184 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:47,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,188 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,191 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:47,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,207 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:47,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,214 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,219 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,223 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:47,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,229 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:47,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,257 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:47,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,270 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,277 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,281 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,284 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,286 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,287 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:47,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,289 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:47,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,291 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,293 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,295 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:47,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,299 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,301 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,302 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,303 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,305 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:47,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,344 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 01:56:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,354 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,360 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,364 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,367 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:47,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:47,373 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,378 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:47,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,382 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,384 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:47,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:47,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,387 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:47,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:47,925 INFO L134 CoverageAnalysis]: Checked inductivity of 18248 backedges. 879 proven. 2682 refuted. 0 times theorem prover too weak. 14687 trivial. 0 not checked. [2020-08-19 01:56:47,925 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [139572907] [2020-08-19 01:56:47,926 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:47,926 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [18] total 18 [2020-08-19 01:56:47,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1691432117] [2020-08-19 01:56:47,927 INFO L459 AbstractCegarLoop]: Interpolant automaton has 18 states [2020-08-19 01:56:47,927 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:47,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 18 interpolants. [2020-08-19 01:56:47,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=44, Invalid=262, Unknown=0, NotChecked=0, Total=306 [2020-08-19 01:56:47,928 INFO L87 Difference]: Start difference. First operand 498 states and 766 transitions. Second operand 18 states. [2020-08-19 01:56:48,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:48,884 INFO L93 Difference]: Finished difference Result 1054 states and 1667 transitions. [2020-08-19 01:56:48,885 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 36 states. [2020-08-19 01:56:48,885 INFO L78 Accepts]: Start accepts. Automaton has 18 states. Word has length 790 [2020-08-19 01:56:48,886 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:48,892 INFO L225 Difference]: With dead ends: 1054 [2020-08-19 01:56:48,892 INFO L226 Difference]: Without dead ends: 582 [2020-08-19 01:56:48,897 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 270 GetRequests, 234 SyntacticMatches, 0 SemanticMatches, 36 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 270 ImplicationChecksByTransitivity, 0.4s TimeCoverageRelationStatistics Valid=196, Invalid=1210, Unknown=0, NotChecked=0, Total=1406 [2020-08-19 01:56:48,898 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 582 states. [2020-08-19 01:56:48,927 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 582 to 538. [2020-08-19 01:56:48,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2020-08-19 01:56:48,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 801 transitions. [2020-08-19 01:56:48,932 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 801 transitions. Word has length 790 [2020-08-19 01:56:48,932 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:48,933 INFO L479 AbstractCegarLoop]: Abstraction has 538 states and 801 transitions. [2020-08-19 01:56:48,933 INFO L480 AbstractCegarLoop]: Interpolant automaton has 18 states. [2020-08-19 01:56:48,933 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 801 transitions. [2020-08-19 01:56:48,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 750 [2020-08-19 01:56:48,940 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:48,940 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 01:56:48,940 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2020-08-19 01:56:48,941 INFO L427 AbstractCegarLoop]: === Iteration 25 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:48,941 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:48,941 INFO L82 PathProgramCache]: Analyzing trace with hash -1323260127, now seen corresponding path program 13 times [2020-08-19 01:56:48,941 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:48,942 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [640959561] [2020-08-19 01:56:48,942 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:48,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:49,441 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:49,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:49,443 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:49,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:49,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:49,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:49,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:49,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:49,976 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:49,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,012 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,045 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,062 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,078 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,094 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,108 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,110 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,112 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:50,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,115 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,116 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,120 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:50,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,124 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,126 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,128 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,129 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,137 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:50,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,145 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,148 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,150 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,152 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,153 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,155 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:50,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,157 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,158 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,177 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:50,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,194 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,199 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,203 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,212 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,213 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:50,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,225 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,226 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,228 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,237 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,237 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,238 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,240 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,288 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 01:56:50,300 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,337 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,351 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,353 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,358 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,363 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,366 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,368 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,370 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,372 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:50,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,374 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,376 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,381 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:50,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,386 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,389 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,391 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,393 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,404 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:50,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,411 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,416 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,418 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,420 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,421 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,423 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:50,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,425 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,427 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,607 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 01:56:50,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,686 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,692 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,696 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:50,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,706 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,727 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:50,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,733 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,737 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,744 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:50,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,749 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,765 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:50,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,775 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,785 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,789 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,791 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:50,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,796 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,800 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:50,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:50,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:50,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:50,810 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:50,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:51,349 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 01:56:51,350 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [640959561] [2020-08-19 01:56:51,350 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:51,350 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [14] total 14 [2020-08-19 01:56:51,350 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1950389531] [2020-08-19 01:56:51,351 INFO L459 AbstractCegarLoop]: Interpolant automaton has 14 states [2020-08-19 01:56:51,351 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:51,352 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 14 interpolants. [2020-08-19 01:56:51,352 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=41, Invalid=141, Unknown=0, NotChecked=0, Total=182 [2020-08-19 01:56:51,352 INFO L87 Difference]: Start difference. First operand 538 states and 801 transitions. Second operand 14 states. [2020-08-19 01:56:51,801 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:51,801 INFO L93 Difference]: Finished difference Result 1307 states and 2022 transitions. [2020-08-19 01:56:51,802 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 22 states. [2020-08-19 01:56:51,802 INFO L78 Accepts]: Start accepts. Automaton has 14 states. Word has length 749 [2020-08-19 01:56:51,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:51,820 INFO L225 Difference]: With dead ends: 1307 [2020-08-19 01:56:51,820 INFO L226 Difference]: Without dead ends: 1303 [2020-08-19 01:56:51,823 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 01:56:51,825 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1303 states. [2020-08-19 01:56:51,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1303 to 1277. [2020-08-19 01:56:51,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1277 states. [2020-08-19 01:56:51,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1277 states to 1277 states and 1965 transitions. [2020-08-19 01:56:51,915 INFO L78 Accepts]: Start accepts. Automaton has 1277 states and 1965 transitions. Word has length 749 [2020-08-19 01:56:51,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:51,915 INFO L479 AbstractCegarLoop]: Abstraction has 1277 states and 1965 transitions. [2020-08-19 01:56:51,915 INFO L480 AbstractCegarLoop]: Interpolant automaton has 14 states. [2020-08-19 01:56:51,915 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1965 transitions. [2020-08-19 01:56:51,931 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1104 [2020-08-19 01:56:51,931 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:51,933 INFO L422 BasicCegarLoop]: trace histogram [81, 81, 80, 80, 65, 65, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 40, 25, 25, 16, 15, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:56:51,934 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24 [2020-08-19 01:56:51,934 INFO L427 AbstractCegarLoop]: === Iteration 26 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:51,934 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:51,934 INFO L82 PathProgramCache]: Analyzing trace with hash -1604839333, now seen corresponding path program 14 times [2020-08-19 01:56:51,935 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:51,935 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [614115933] [2020-08-19 01:56:51,935 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:52,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:52,738 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 0 [2020-08-19 01:56:52,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:52,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 5 [2020-08-19 01:56:52,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,394 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,498 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,565 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,604 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,631 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,651 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,666 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,702 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:53,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:53,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,711 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,715 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:53,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,719 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,721 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,723 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,724 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:53,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,731 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:53,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,736 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,739 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,741 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,741 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,742 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,743 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:53,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,745 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:53,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,747 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,748 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,766 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:53,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,782 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,792 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:53,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,795 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:53,796 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,798 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:53,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,804 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,806 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,808 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:53,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,852 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 01:56:53,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,878 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,887 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,893 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,896 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,898 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,900 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,901 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:53,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,902 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:53,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,904 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,906 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,909 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:53,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,912 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,914 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,916 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,917 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:53,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,924 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:53,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,929 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,932 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,934 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,936 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,936 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,937 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:53,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,938 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:53,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,940 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:53,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:53,942 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,056 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 459 [2020-08-19 01:56:54,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,103 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,109 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,130 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,151 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,154 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,172 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,192 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,210 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,212 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,215 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:54,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,218 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,220 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,224 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:54,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,230 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,232 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,234 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,235 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,243 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:54,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,251 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,254 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,256 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,258 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,259 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,261 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:54,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,263 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,265 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,500 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 636 [2020-08-19 01:56:54,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,568 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,596 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,621 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,630 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,636 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,639 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,642 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,643 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,645 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,646 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:54,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,649 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,650 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,653 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:54,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,656 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,658 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,659 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,660 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,664 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:54,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,668 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,671 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,672 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,673 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,674 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,675 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,676 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:54,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,678 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,679 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,688 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 173 [2020-08-19 01:56:54,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,695 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,699 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,701 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,703 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,704 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,705 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,707 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:54,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,709 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,710 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,711 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:54,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,714 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,716 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,717 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,718 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,752 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 282 [2020-08-19 01:56:54,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,764 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,772 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,777 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,781 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,784 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,786 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,788 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,790 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:54,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,793 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,794 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,797 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 64 [2020-08-19 01:56:54,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,801 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,802 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,803 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,805 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,807 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,813 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 105 [2020-08-19 01:56:54,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,819 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,824 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,827 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,829 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,830 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 23 [2020-08-19 01:56:54,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,832 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 37 [2020-08-19 01:56:54,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,835 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 3 [2020-08-19 01:56:54,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:54,837 INFO L375 atingTraceCheckCraig]: Compute interpolants for subsequence at non-pending call position 10 [2020-08-19 01:56:54,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2020-08-19 01:56:55,909 INFO L134 CoverageAnalysis]: Checked inductivity of 36000 backedges. 1642 proven. 4295 refuted. 0 times theorem prover too weak. 30063 trivial. 0 not checked. [2020-08-19 01:56:55,909 INFO L354 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModulePreferences [614115933] [2020-08-19 01:56:55,909 INFO L220 FreeRefinementEngine]: Constructing automaton from 0 perfect and 1 imperfect interpolant sequences. [2020-08-19 01:56:55,910 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [20] total 20 [2020-08-19 01:56:55,910 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [298835467] [2020-08-19 01:56:55,912 INFO L459 AbstractCegarLoop]: Interpolant automaton has 20 states [2020-08-19 01:56:55,912 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy FIXED_PREFERENCES [2020-08-19 01:56:55,912 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 20 interpolants. [2020-08-19 01:56:55,912 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=53, Invalid=327, Unknown=0, NotChecked=0, Total=380 [2020-08-19 01:56:55,913 INFO L87 Difference]: Start difference. First operand 1277 states and 1965 transitions. Second operand 20 states. [2020-08-19 01:56:57,062 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2020-08-19 01:56:57,062 INFO L93 Difference]: Finished difference Result 2681 states and 4455 transitions. [2020-08-19 01:56:57,063 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 43 states. [2020-08-19 01:56:57,063 INFO L78 Accepts]: Start accepts. Automaton has 20 states. Word has length 1103 [2020-08-19 01:56:57,065 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2020-08-19 01:56:57,089 INFO L225 Difference]: With dead ends: 2681 [2020-08-19 01:56:57,089 INFO L226 Difference]: Without dead ends: 1425 [2020-08-19 01:56:57,107 INFO L675 BasicCegarLoop]: 0 DeclaredPredicates, 369 GetRequests, 326 SyntacticMatches, 0 SemanticMatches, 43 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 427 ImplicationChecksByTransitivity, 0.5s TimeCoverageRelationStatistics Valid=261, Invalid=1719, Unknown=0, NotChecked=0, Total=1980 [2020-08-19 01:56:57,110 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1425 states. [2020-08-19 01:56:57,213 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1425 to 1206. [2020-08-19 01:56:57,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1206 states. [2020-08-19 01:56:57,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1206 states to 1206 states and 1760 transitions. [2020-08-19 01:56:57,225 INFO L78 Accepts]: Start accepts. Automaton has 1206 states and 1760 transitions. Word has length 1103 [2020-08-19 01:56:57,227 INFO L84 Accepts]: Finished accepts. word is rejected. [2020-08-19 01:56:57,227 INFO L479 AbstractCegarLoop]: Abstraction has 1206 states and 1760 transitions. [2020-08-19 01:56:57,227 INFO L480 AbstractCegarLoop]: Interpolant automaton has 20 states. [2020-08-19 01:56:57,227 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1760 transitions. [2020-08-19 01:56:57,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1390 [2020-08-19 01:56:57,264 INFO L414 BasicCegarLoop]: Found error trace [2020-08-19 01:56:57,265 INFO L422 BasicCegarLoop]: trace histogram [102, 102, 101, 101, 82, 82, 51, 51, 51, 51, 51, 51, 51, 50, 50, 50, 50, 50, 50, 50, 32, 31, 20, 19, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2020-08-19 01:56:57,265 WARN L516 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable25 [2020-08-19 01:56:57,266 INFO L427 AbstractCegarLoop]: === Iteration 27 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2020-08-19 01:56:57,266 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2020-08-19 01:56:57,267 INFO L82 PathProgramCache]: Analyzing trace with hash 1927837140, now seen corresponding path program 15 times [2020-08-19 01:56:57,267 INFO L163 FreeRefinementEngine]: Executing refinement strategy FIXED_PREFERENCES [2020-08-19 01:56:57,267 INFO L354 FreeRefinementEngine]: Using trace check IpTcStrategyModulePreferences [408004452] [2020-08-19 01:56:57,267 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2020-08-19 01:56:57,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat